Timothy Carhart Timothy Carhart is the actor who played Lieutenant Commander Christopher Hobson in the episode . He filmed his scenes on Friday on Paramount Stage 9 . Carhart was born in Washington , DC , and has been acting since at least the late 1970s . Television work . He made his television acting debut in NBC ' s 1978 mini - series " The Awakening Land " , co - starring guest actor Bert Remsen . Throughout the 1980s , he made guest appearances on several television series , including " Alfred Hitchcock Presents " ( with Clyde Kusatsu ) , " Miami Vice " ( with Ed Lauter ) , and " Crime Story " ( starring Bill Smitrovich ) . He also appeared in two episodes of the crime drama " Spenser : For Hire " , starring the future lead actor of DS9 , Avery Brooks . Carhart ' s first episode , " Brother to Dragons , " co - starred Stephen McHattie and Michael Zaslow , while his second episode , " Homecoming , " was directed by Winrich Kolbe . In 1989 , Carhart had a recurring role on the drama series " thirtysomething " , which included an episode with David Clennon and Lorinne Vozoff . That same year , Carhart was a regular on the CBS medical drama series " Island Son " , again working with fellow TNG guest star Clyde Kusatsu , who was also a regular on the show . In 1991 , Carhart made a guest appearance on " Quantum Leap " , the time travel series starring Scott Bakula and Dean Stockwell . The following year , he appeared on " L . A . Law " , on which fellow TNG guest star Corbin Bernsen and guest actor Larry Drake were regulars . In 1995 , Carhart was a guest star on the widely popular science fiction series " The X - Files " , appearing as Virgil Incanto in the episode " 2Shy " . Other television shows on which Carhart has guest - starred during the 1990s include " Empty Nest " ( with Aaron Lustig ) , " Roseanne " , " The Young Riders " ( starring Anthony Zerbe ) , " The X - Files " , " Law & Order " ( with Gerrit Graham ) , " Strange World " ( with Leon Russom ) , and " Profiler " ( with Michelle Bonilla , Dennis Christopher , and Mark Rolston ) . Carhart appeared in several made - for - TV movies during the 1990s , including " Call Me Anna " ( 1990 , with Richard Fancy and Deborah May ) , " Quicksand : No Escape " ( 1992 , with Marc Alaimo , Steven Culp , Jack Shearer and Howard Shangraw ) , " Smoke Jumpers " ( 1996 , with Bill Bolender and Spencer Garrett ) , " America ' s Dream " ( 1996 , in a segment with Susanna Thompson ) , and " Before He Wakes " ( 1998 , co - starring Ron Canada and Barbara Tarbuck ) . He also starred in two mini - series from CBS , 1991 ' s " In A Child ' s Name " ( co - starring Jeff Allin , Dennis Cockrum , James Cromwell , David Huddleston , Louise Fletcher , and Caroline Kava ) and 1996 ' s " Gone in the Night " ( with Billy Burke and Holmes Osborne ) . Between 2000 and 2003 , Carhart played the recurring role of Eddie Willows on the hit CBS crime drama " CSI : Crime Scence Investigation " . He appeared in four episodes of the series , during which he was credited alongside Katy Boyer , Melinda Clarke , Leonard Kelly - Young , and Glenn Morshower . In 2002 , Carhart had a recurring role on the hit FOX series " 24 " , playing Assistant NSA head Eric Rayburn in four episodes . Among his co - stars on this series were fellow " Star Trek " alumni Billy Burke , Michelle Forbes , Billy Mayo , Tracy Middendorf , and Freda Foh Shen . Carhart ' s last two appearances on this show were directed by James Whitmore , Jr . Carhart has also made recent guest appearances on shows such as " The Practice " ( with Rene Auberjonois and Bruce Davison ) , UPN ' s " The Twilight Zone " ( again working with Susanna Thompson , in an episode written by Robert Hewitt Wolfe ) , " Frasier " ( with Kelsey Grammer , Jordan Lund and Holmes Osborne ) , " Judging Amy " ( with Bob Gunton and Jack Gwaltney , in an episode directed by Andrew Robinson ) , and " Standoff " ( with Raphael Sbarge and directed by Terrence O ' Hara ) . He was most recently seen in a 2007 episode of " " entitled " " . Film work . One of Carhart ' s earliest film credits was the 1984 blockbuster horror comedy " Ghostbusters " , which also featured an appearance by Michael Ensign while Paddi Edwards supplied the voice of Gozer . That same year , Carhart acted alongside veteran " Star Trek " film foley artist Robin Harlan in the independent comedy film " The Party Animal " . In 1985 , Carhart had a supporting role in the Academy Award - winning drama " Witness " and the popular romantic comedy film " Desperately Seeking Susan " . His co - stars in the latter film included John Hoyt , Robert Joy , and Tim Ransom . Also in this year , Carhart appeared in the drama film " Marie " along with Leon Rippy and Keith Szarabajka . In 1986 , Carhart worked on two films with fellow TNG guest star Robert Schenkkan : " Sweet Liberty " , co - starring Saul Rubinek and Linda Thorson ; and " The Manhattan Project " , with with Dan Butler , J . D . Cullum , and Stephen Markle . Also in 1986 , Carhart appeared in the comedy film " Playing for Keeps " , with Chuck Picerni , Jr . and Douglas Warhit . Carhart played the second male lead in the adventure drama " The Rescue " ( 1988 ) and the action comedy " Pink Cadillac " ( 1989 ) . Both of these films co - starred James Cromwell ; " The Rescue " starred Edward Laurence Albert and also featured Leon Russom and Ned Vaughn , while " Pink Cadillac " featured Michael Champion and Jimmie F . Skaggs . In addition , Carhart can be seen in the hit 1988 comedy film " Working Girl " , along with Zach Grenier and Jeffrey Nordling . Carhart ' s feature film credits expanded in the 1990s , with appearances in such hit films as " The Hunt For Red October " ( with Daniel Davis , Ronald Guttman , Boris Lee Krutonog , Ned Vaughn , and TNG regular Gates McFadden ) , " Thelma & Louise " ( 1991 ) with Shelly Desai and Christopher McDonald ) , " Beverly Hills Cop III " ( 1994 , with Stephen McHattie and Albie Selznick ) , " Black Sheep " ( 1996 , co - starring Bruce McGill and Tucker Smallwood ) , and " Air Force One " ( 1997 , with Spencer Garrett , Boris Lee Krutonog , Pavel Lychnikoff , Don McManus , Glenn Morshower , Dan Shor , Bill Smitrovich , and Dean Stockwell ) . In addition , Carheart and the aforementioned Dan Shor played a pair of deputies in the 1992 thriller , " Red Rock West " . Carheart also co - starred in the 1995 cult horror film " Candyman : Farewell to the Flesh " with Randy Oglesby and Tony Todd . Carhart ' s most recent film was the 2005 direct - to - DVD vehicle " Black Dawn " , co - starring John Pyper - Ferguson . Stage work . In 1987 , Carhart starred in a stage production of Don DeLillo ' s play " The Day Room " at the New York City Center . For his performance in this production , Carhart was nominated for the 1988 Drama Desk Award for Outstanding Ensemble Acting . On Broadway , Carhart played Harold " Mitch " Mitchell in the 1992 revival of Tennessee Williams ' " A Streetcar Named Desire " , acting alongside such noted actors as , , and .