Glenn Morshower Glenn Morshower is an actor who has appeared in four " Star Trek " episodes , as well as the film . He is perhaps best known for his recurring role as Secret Service Agent Aaron Pierce on the television drama series " 24 " . He also had recurring roles on shows such as , , and . For the episode " Resistance " , Morshower filmed his scenes on Wednesday on Paramount Stage 1 . Career . Early career . Morshower was born in Dallas , Texas , and began acting when he was twelve years old . He made his film debut at the age of sixteen with a starring role in the 1976 comedy " Drive - In " . Two years later , he made his first television appearance in an episode of " Police Woman " , starring Charles Dierkop . He then appeared on the CBS drama " Dallas " in the episode " Black Market Baby " , directed by Larry Dobkin and co - starring Barbara Babcock and James Whitmore , Jr . His second film was 1979 ' s " The Bermuda Triangle " , produced by James L . Conway and co - starring Albert Hall , Warren Munson , Thalmus Rasulala , and Clement von Franckenstein . Throughout the 1980s , Morshower appeared in such films as " Dead & Buried " ( 1981 , with Ed Bakey , Michael Pataki , and Bill Quinn ) , " The Philadelphia Experiment " ( 1984 , with Vaughn Armstrong , Ed Bakey , and Clay Wilcox ) , " Defense Play " ( 1988 , directed by Monte Markham and starring Markham and David Oliver ) , and " Tango & Cash " ( 1989 , co - starring Marc Alaimo , Roy Brocksmith , Richard Fancy , Teri Hatcher , Clint Howard , and Phil Rubenstein ) . He also made guest appearances on series such as " Hardcastle and McCormick " ( starring Brian Keith and Daniel Hugh Kelly , in an episode with Robert Hooks ) , " Life Goes On " ( starring Bill Smitrovich , in an episode with Louis Giambalvo , James McIntire , and Jennifer Savidge ) , and " Matlock " ( with Albert Hall and Mark Rolston ) . In 1986 , Morshower co - starred in the mini - series " Dream West " alongside ' s F . Murray Abraham and Anthony Zerbe , TNG / VOY guest actor Jeff Allin , TNG guest stars Erich Anderson , John Anderson , Stefan Gierasch , William O . Campbell , Matt McCoy , and Noble Willingham , TOS veteran Lee Bergere , ' s James Cromwell and Alice Krige , Michael Ensign , DS9 guest star Fritz Weaver , and TNG star Jonathan Frakes . Two years later , he appeared in another acclaimed mini - series , " War & Remembrance " , in which he co - starred with numerous " Trek " alumni , including Ian Abercrombie , Granville Ames , Steven Berkoff , Peter Dennis , Larry Dobkin , Walker Edmiston , Bruce French , Grainger Hines , Leslie Hope , Paul Lambert , Richard Lineback , Byron Morrow , George Murdock , Charles Napier , John Rhys - Davies , and William Schallert . 1990s . Television movies . In 1990 , Morshower appeared in two made - for - TV movies starring guest actor Jim Beaver . The first was " Follow Your Heart " , which also featured John Anderson , Brad Blaisdell , and Randy Oglesby . The second movie was " The Court - Martial of Jackie Robinson " , co - starring Paul Dooley and Noble Willingham . Morshower again worked with Beaver on the 1994 TV movie " Children of the Dark " , along with David Graf , Lindsey Haun , Lenore Kasdorf , Thomas Kopache , Natalia Nogulich , Eric Pierpoint , and Bill Smitrovich . ( Beaver had previously appeared in Morshower ' s " Dallas " episode and the movie " Defense Play " . ) Morshower had many other TV movie credits throughout the 1990s . Between 1990 and 1994 alone , he was seen in " By Dawn ' s Early Light " ( with Daniel Benzali , Nicholas Coster , Ann Gillespie , Ken Jenkins , Kieran Mulroney , Robert O ' Reilly , and Steve Rankin ) , " Tagget " ( with Tim de Zarn , Kevin McCorkle , Leon Russom , and William Sadler ) , " Shoot First : A Cop ' s Vengeance " ( with Kamala Dawson , Bruce McGill , and Terry O ' Quinn ) , " The Heroes of Desert Storm " ( with Michael Champion and Tim Russ ) , " Intruders " ( co - starring Steven Berkoff and Ben Vereen ) , " From the Files of Joseph Wambaugh : A Jury of One " ( with Dan Butler ) , " For Their Own Good " ( with David Graf , Thomas Kopache , and Richard Riehle ) , " Ambush in Waco : In the Line of Duty " with Jeff Allin , Gordon Clapp , Richard McGonagle , Neal McDonough , star Jeri Ryan , and Susanna Thompson ) , " 12 : 01 " ( with Frank Collison and Nicolas Surovy ) , " Precious Victims " ( with Cliff DeYoung ) , and " Confessions : 2 Faces of Evil " ( with Sam Anderson and John P . Connolly ) . Morshower ' s TV movies continued into the late 1990s , including " Sketch Artist II : The hands That See " ( with Paul Eiding and Ben Slack ) , " Innocent Victims " ( co - starring Sam Anderson , Richard Fancy , J . G . Hertzler , Gregory Itzin , Don Keefer , Don McManus , John P . Connolly and Leon Russom ) , " Death Benefit " ( with Penny Johnson , Jack Kehler , and Ben Slack ) , " Runaway Car " ( with Elizabeth Dennehy and Paul Eiding ) , " The Rockford Files : Murder and Misdemeanors " ( with Eugene Roche ) , " The Jack Bull " ( starring John Savage ) , and " My Little Assassin " ( with Tony Plana and with Reiner Schöne ) . He also appeared in the " Alien Nation " TV special " Body and Soul " , alongside Jeff Austin , Ron Fassler , Gary Graham , Miguel Pérez , Eric Pierpoint , Tiny Ron , Leon Russom , and Michele Scarabelli . Episodic television . Morshower guest - starred on such television series as " Quantum Leap " ( starring Scott Bakula and Dean Stockwell , in an episode with Fran Bennett and Noble Willingham ) , " Baywatch " ( with Monte Markham ) , " Babylon 5 " ( starring Mary Kay Adams , Andreas Katsulas , and Robert Rusler , in an episode with Ian Abercrombie , Christopher Darga , David Sage , and Paul Williams ) , " Deadly Games " ( with Christopher Lloyd and Ben Slack ) , " NYPD Blue " ( starring Gordon Clapp and Sharon Lawrence , in an episode with Jack Kehler , Leon Russom , and Titus Welliver ) , " Diagnosis Murder " ( with Gina Hecht and Brian Tochi ) , " Viper " ( with Gregg Henry and Musetta Vander ) , " Murder One " ( with Barbara Bosson , Michael Ensign , John Fleck , Gregory Itzin , Neal McDonough , and Clayton Rohner ) , " Dark Skies " ( with Tim Kelleher , Natalia Nogulich , and Conor O ' Farrell ) , and . In 1996 , Morshower played the recurring role of Chief Petty Officer Ned Bannon on NBC ' s drama series " JAG " , during which time he worked with Bill Bolender , Cliff de Young , Scott Jaeck , Terry O ' Quinn , Jack Shearer , and Ned Vaughn . During the 1997 - 98 TV season , Morshower had a recurring role on the ABC action series " C - 16 : FBI " . Among Morshower ' s co - stars on this series were Michael Cavanaugh , Zach Grenier , Vaughn Armstrong , Melinda Culea and Stanley Kamel , Elizabeth Dennehy , Natalia Nogulich , Pavel Lychnikoff , Lanei Chapman , Jeff Kober , Lanei Chapman , Catherine MacNeal , Cristine Rose and Becky Wahlstrom . In 1998 , Morshower recurred on the crime drama series , starring Terry O ' Quinn and DS9 / VOY guest actress Megan Gallagher . Morshower worked with O ' Quinn again on a 1999 episode of " Harsh Realm " . Morshower co - starred with " Enterprise " guest actor James Avery in an unsold TV pilot entitled " King ' s Pawn " . Morshower ' s remaining TV credits during the 1990s include guest spots on " Pensacola : Wings of Gold " , with Michael Jace and Kristanna S . Loken , and " The Crow : Stairway to Heaven " , with John Pyper - Ferguson . Films . Morshower had a few feature film credits during the 1990s , as well . In 1992 , Morshower played an ensign in the hit action film " Under Siege " , co - starring Bernie Casey and DS9 regular Colm Meaney . In 1994 , Morshower was drafted into the comedy film " In the Army Now " , co - starring Andy Dick and Lori Petty . Morshower was then seen in the action / thriller " The River Wild " , with William Lucking . Morshower ' s subsequent film credits include big - budget blockbusters " Air Force One " ( co - starring Timothy Carhart , Spencer Garrett , Boris Lee Krutonog , Pavel Lychnikoff , Don McManus , Dan Shor , Bill Smitrovich , and Dean Stockwell ) and " Godzilla " ( with Clyde Kusatsu ) and smaller , independent fare such as " Dominion " ( with Geoffrey Blake and Richard Riehle ) and " Phoenix " ( with George Murdock ) . 2000s . Recurring television roles . The new millennium brought Morshower numerous recurring roles . In 2000 , he began appearing as Sheriff Brian Mobley on the hit CBS series " CSI : Crime Scene Investigation " . He was seen in six episodes throughout the show ' s first season ( and one episode in the second ) , working alongside such " Star Trek " alumni as James Avery , Timothy Carhart , Gina Hecht , Gregg Henry , Gregory Itzin , Stephen Lee , Blake Lindsley , Mark Moses , Nicole Randall , Brenda Strong , and Tom Wright . In 2001 and 2002 , Morshower recurred as Mike Chysler on NBC ' s drama series , " The West Wing " . Morshower ' s work on this series saw him co - star with Jim Beaver , Ed Begley , Jr . , Corbin Bernsen , Earl Boen , Dennis Cockrum , John P . Connolly , Christopher Curry , Timothy Davis - Reed , Dayna Devon , Bruce French , David Huddleston , William Dennis Hunt , Thomas Kopache , Richard McGonagle , Bob Morrisey , Tony Plana , Richard Riehle , John Rubinstein , Armin Shimerman , and Ken Thorley . In 2004 , Morshower guest - starred in two episodes of the popular spy series , " Alias " , created by J . J . Abrams . The following year , Morshower made two appearances on NBC ' s musical drama " American Dreams " , starring Ethan Dampf . His first " American Dreams " episode , " Home Again " , also starred Jonathan Del Arco and Ellen Geer . That same year , Morshower was seen in two episodes of " Charmed " , both directed by James L . Conway , who previously worked with Morshower as the producer of 1979 ' s " The Bermuda Triangle " . Morshower ' s most recent recurring role has been that of Chad Clarke on NBC ' s " Friday Night Lights " . Morshower has portrayed Secret Service agent on " 24 " since the show ' s second episode in 2001 . Morshower is the only actor other than series star to have appeared in all of the first seven seasons of the show ( Morshower did not appear in the final season ) . In 2007 , he and his various co - stars from this series – including Jude Ciccolella , Roger R . Cross , and Gregory Itzin ( whom Morshower has worked with many times before ) – were nominated with a Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series . Other " Star Trek " actors who have appeared in regular or recurring roles on " 24 " over the years , and who have appeared in Morshower ' s episodes , include Billy Burke , Michael Cavanaugh , Raymond Cruz , Alan Dale , Greg Ellis , Michelle Forbes , Jenette Goldstein , Zach Grenier , Albert Hall , Leslie Hope , Penny Johnson , Daniel Dae Kim , Boris Lee Krutonog , Henri Lubatti , Alexandra Lydon , Rudolf Martin , Tzi Ma , Robert Pine , Zachary Quinto , Mark Rolston , John Rubinstein , Mark A . Sheppard , Peter Weller , Wade Williams , Ray Wise , Tom Wright , Harris Yulin , and Kara Zediker . Guest appearances . Morshower appeared in a 2000 " JAG " episode playing a different character than the one he portrayed during his appearances in the late 1990s . The episode , entitled " Body Talk " , was directed by Terrence O ' Hara and co - starred Jeff Kober and David Starwalt . Over the next three years , Morshower made one - time appearances on such shows as " The Huntress " ( with Barbara Tarbuck ) , " Once and Again " ( reuniting with both William O . Campbell and Susanna Thompson ) , " The Agency " ( working with David Clennon and Ronny Cox ) , " Providence " ( with Claudette Nevins , Concetta Tomei , and Cress Williams ) , " The Division " ( with George Coe and Jerry Hardin ) , " NCIS " ( starring Pancho Demmings ) , and " The District " ( starring Roger Aaron Brown ) . In 2004 , Morshower appeared on " Crossing Jordan " , the NBC medical drama which starred Miguel Ferrer . He then guest - starred on HBO ' s hit western series " Deadwood " , on which Jim Beaver , Brad Dourif , Paula Malcomson , and Leon Rippy were regulars and Keith Carradine , Zach Grenier , Clay Wilcox , and Keone Young had recurring roles . Morshower later appeared in an episode of Neal McDonough ' s short - lived NBC series " Medical Investigation " , along with Art Chudabala . Morshower ' s subsequent guest spots include single episodes of " ER " ( with Mädchen Amick , Michelle Bonilla , Scott Grimes , and Leland Orser ) , " Monk " ( with Paul Rae ) , and " Shark " ( starring Jeri Ryan ) . Television movies . Morshower had a small role in the 2001 biographical movie " Blonde " , starring Kirstie Alley , Wallace Shawn , and Titus Welliver . In 2004 , he appeared with Megan Gallagher , Leland Orser , and Tracy Scoggins in the drama " Homeland Security " . That same year he co - starred in " Category 6 : Day of Destruction " with Brian Markinson . His most recent made - for - TV movie was 2005 ' s " Walker , Texas Ranger : Trial by Fire " , along with Marshall Teague and Ned Vaughn . Feature films . Morshower has co - starred in several major motion pictures since 2001 . He worked with filmmaker on three blockbuster films , the first being the 2001 war drama " Pearl Harbor " . This film featured many other " Star Trek " alumni in the cast , including Hank Harris , Pat Healy , Manu Intiraymi , Randy Oglesby , Lin Oeding , John Pyper - Ferguson , Steve Rankin , Raphael Sbarge , Cary - Hiroyuki Tagawa , and Michael Shamus Wiles . Morshower ' s next collaboration with Bay was the 2005 science fiction / action film " The Island " , which co - starred Michael Canavan , Tim Halligan , Kevin McCorkle , Randy Oglesby , Noa Tishby , and " Voyager " s Ethan Phillips . Afterward , Morshower worked with Bay on the 2007 mega - hit . This film , like " The Island " , was written by Alex Kurtzman and Roberto Orci . Andy Milder , W . Morgan Sheppard , Michael Shamus Wiles , and Jamison Yang were among those who also appeared in the film , while Robert Foxworth provided the voice of the Transformer called Ratchet . Morshower can also be seen in the 2001 war drama " Black Hawk Down " , along with Eric Bana , Tom Hardy , and " Enterprise " guest star Enrique Murciano . Morshower then co - starred in the 2002 thriller " Blood Work " , with Tina Lifford , and then appeared in Paramount Pictures ' " The Core " , starring Bruce Greenwood and Alfre Woodard and featuring Matt Winston . In 2005 , he appeared Robert Knepper in two films : the thriller " Hostage " ( starring Jimmy Bennett and co - starring Tina Lifford ) and the Academy Award - nominated drama " Good Night , and Good Luck " ( co - starring J . D . Cullum , Frank Langella , and Ray Wise , and featuring cinematography by Robert Elswit ) . Other recent film credits include " Gacy " ( 2003 ) , starring Mark Holton and featuring Larry Hankin ) , " The Commission " ( 2003 , with Sam Anderson , Jim Beaver , Corbin Bernsen , Stephen Collins , Henry Gibson , and Morgan Margolis ) , " The Last Shot " ( 2004 , with Sean Whalen ) , " Behind Enemy Lines II : Axis of Evil " ( 2006 , co - starring Ben Cross , April Grace , and Bruce McGill ) , " All the Kings Men " ( 2006 , with Michael Cavanaugh and Caroline Lagerfelt ) , " Striking Range " ( 2006 , with Tom Wright ) , and " Delta Farce " ( 2007 , with Shelly Desai and Ed O ' Ross ) . Morshower was seen in 2009 ' s military comedy " The Men Who Stare at Goats " with Robert Curtis - Brown and Stephen Root , " The Crazies " ( 2010 ) with Larry Cedar , and " In My Pocket " ( 2011 ) with Nana Visitor . " Transformers " live - action film franchise . Morshower who as a frequently cast actor for Michael Bay , was hired by Bay to portray Colonel Sharp , an operative in the National Security Agency in the films series produced by Alex Kurtzman and Roberto Orci . Morshower was not alone in the series , alongside Morshower were Robert Foxworth as Autobot medic Ratchet and Frank Welker as the evil Megatron . Morshower would be the only actor in this trio to play a Human role . In the first film released in 2007 , the actors worked with Andy Milder , W . Morgan Sheppard , Michael Shamus Wiles and Jamison Yang . The trio returned for the first sequel , 2009 ' s " Revenge of the Fallen " where they were teamed with John Eric Bentley , David Bowe , Robin Atkin Downes , Aaron Lustig , Eric Pierpoint and Tony Todd who voiced as the title villain The Fallen . Foxworth , Morshower and Welker again returned in the second sequel 2011 ' s " Dark of the Moon " with Morshower reuniting with Michael Dorn in addition to Jack Axelrod , George Coe , Leonard Nimoy , Keith Szarabajka and Tom Virtue .