Marco Sanchez Marco Sanchez is the actor who played Corporal in the third season episode . Due to costume reuse , two other actors wore uniforms with the name tag " M . Romero " but with different ranks . Sanchez later appeared in J . J . Abrams ' in where he played a Torpedo security officer . He is most notable for playing Sensor Chief Miguel Ortiz for two seasons on ' s science fiction television series " seaQuest DSV " between 1993 and 1995 . Co - stars Stephanie Beacham and Rosalind Ingledew had previously guest starred in episodes of , respectively . Sanchez previously worked with J . J . Abrams on his 2011 mystery thriller " Super 8 " . Personal . Sanchez was born in Los Angeles , California , raised in Palm Desert , California and attended the UCLA ' s School of Theater , Film and Television where he graduated with a BA in theater in 1992 . Sanchez also attended the British - American Drama Academy in Oxford , England . He is married and has one daughter . Sanchez is one of the founding members since 1991 , along with fellow " Enterprise " guest star Maury Sterling , of the Buffalo Nights Theatre Company where he appeared in plays such as " Hope On the Range " , " Sophistry " , and " J . B . " In 2006 , Sanchez , actor Michael Goorjian and Noah Veneklasen founded the film production company Lyceum Films for which he is also working as producer . Career . Television . Sanchez started his career with a recurring role as Paul in four episodes of the " Dallas " spin - off drama series " Knot ' s Landing " between 1990 and 1991 . Michelle Phillips was a regular on that series and Jana Marie Hupp a recurring guest star . Following this role he made guest appearances on episodes of " CBS Schoolbreak Special " ( 1991 ) , " Pacific Station " ( 1991 , with Richard Libertini and John Hancock ) , " In the Heat of the Night " ( 1991 , with Brett Porter and Bill Zuckert ) , and " Flying Blind " ( 1992 , with Robert Bauer and Cristine Rose ) and also worked on the television western " Gunsmoke : The Long Ride " ( 1993 , with Don McManus and Jim Beaver ) . After " SeaQuest DSV " was canceled in 1995 , Sanchez continued to work on episodic television , including " Married : with Children " ( 1995 , with Tom McCleister and Marci Brickhouse ) , " First Time Out " ( 1995 , with Gregory Sierra ) , " Party of Five " ( 1996 , with Scott Grimes and Mark Metcalf ) , " Murder , She Wrote " ( 1996 , with Rosana DeSoto , Tony Plana , and Ray Young ) , " Nick Freno : Licensed Teacher " ( 1997 ) , and " Pacific Blue " ( 1997 ) . He also worked on the television thriller " Fall Into Darkness " ( 1996 , with Brian Markinson ) . Between 1997 and 1999 , Sanchez portrayed the recurring role of Detective Carlos Sandoval on the action series " Walker , Texas Ranger " on which he worked with series regular Noble Willingham . He reprised this role in the 1999 spin - off series " Sons of Thunder " which was canceled after six episodes . Tony Brubaker , Carl Ciarfalio , Lisa LoCicero , Reggie Lee , Benjamin Lum , and Wade Williams were among the guest stars . In 2001 , he played the recurring part of Inspector Frank Perez in three episodes of the crime series " The Division " . Lisa Vidal was a regular on this series and Clyde Kusatsu , Jack Kehler , Patrick Cupo , and Claudette Sutherland among the guest stars . Sanchez also worked on " JAG " ( 2000 , with J . Downing ) , " The Pretender " ( 2000 ) , " V . I . P . " ( 2000 , with Michael Bailey Smith and Marcus Young ) , " Charmed " ( 2001 , with Ron Perlman ) , " Providence " ( 2002 , with Brad William Henke , Clyde Kusatsu , Jeffrey Nordling , Sally Kellerman , and Mary Stein ) , " ER " ( 2003 , with Patti Yasutake , Lily Mariye , Earl Billings , Stephen Lee , Mark Moses , and Michelle Bonilla ) , and " 24 " ( 2003 , with Conor O ' Farrell , Zachary Quinto , and Greg Ellis ) . In addition , he can be seen in the television drama " The Last Debate " ( 2000 , with Donna Murphy , Bruce Gray , and Nancy Harewood ) and the television comedy " My Wonderful Life " ( 2002 ) . Further episodic guest roles include the television series " CSI : NY " ( 2005 , with Cyia Batten , Irene Tsu , and Morgan H . Margolis ) , " Love , Inc . " ( 2005 ) , " Hot Properties " ( 2005 , with Jack Guzman and Tim Sitarz ) , " Inconceivable " ( 2005 , with Gina Ravera ) , " Criminal Minds " ( 2006 , with Paul Terrell Clayton ) , " Desperate Housewives " ( 2006 , with Teri Hatcher , Brenda Strong , Rick Fitts , and Rick Scarry ) , " Ghost Whisperer " ( 2006 , with Thomas F . Wilson , John Eric Bentley , and Time Winters ) , " Two and a Half Men " ( 2007 ) , " CSI : Miami " ( 2007 ) , " In Case of Emergency " ( 2007 ) , " The Mentalist " ( 2009 , with Elizabeth Dennehy ) , " Bones " ( 2009 ) , and " Dollhouse " ( 2009 , with Mark Sheppard ) . Sanchez also worked on the television comedies " Flirt " ( 2006 ) and " Rehab for Rejects " ( 2009 , with Maury Sterling and Richard Riehle ) . In 2010 , Sanchez played the recurring role of Mexican government official Alejandro Rivera in five episodes of the television series " NCIS : Naval Criminal Investigative Service " where he worked with stunt coordinator Diamond Farnsworth . More recently , he worked on " " ( 2011 , with Harry Groener and Lawrence Pressman ) , " Bedlam " ( 2012 , with Maury Sterling ) , " The Secret Life of the American Teenager " ( 2013 , with Steve Schirripa , Brian George , and Marlene Forte ) , and " Switched at Birth " ( 2013 ) . Sanchez is also playing the recurring role of Graham Sandoval in the television drama series " The Client List " ( 2013 ) where he worked with Greg Grunberg . Film . Sanchez ' first film work was the short drama " Frank ' s Last Dance " in 2001 followed by an uncredited role in the comedy sequel " American Pie 2 " the same year . The latter one also featured John Cho , Larry Drake , and Morgan Nagler . Further film work includes the sport drama " The Rookie " ( 2002 ) , the comedy " Between the Sheets " ( 2003 , with Jim Lau ) , the drama " Illusion " ( 2004 , with Ron Marasco and Maury Sterling ) , the crime thriller " Edison " ( 2005 , with Robert Miano and Bill Mondy ) , the science fiction film " Tyrannosaurus Azteca " ( 2007 ) , the comedy " Diamonds and Guns " ( 2008 , with Hilde Garcia ) , the thriller " Cat City " ( 2008 ) , the crime drama " Richard III " ( 2008 , with Lori Petty and Renie Rivas ) , and the drama " Ambition to Meaning : Finding Your Life ' s Purpose " ( 2009 , with Ron Marasco and Maury Sterling ) , onw hich he also worked as producer . On the 2012 drama " Tales of Everyday Magic " , Sanchez worked as actor and producer . The film was co - written by Ron Marasco and also starred Patrick Fabian and Marasco himself . More Recently , Sanchez appeared in the drama " My Greatest Teacher " ( 2012 ) , on which he also reunited with fellow actor and production partner Michael A . Goorjian and Patrick Fabian . Sanchez worked on this film as a producer , too .