Mark Thompson Mark Thompson is the comedian , actor , and broadcaster who played the mutated Anthony Brevelle in the fourth season episode in . Together with fellow co - host Brian Phelps he told the audience from this experience in their L . A . based nationally - syndicated radio show which he hosts with Phelps since September 1987 on KLOS , Disney ' s FM station . Thompson and Phelps interviewed cast members Jonathan Frakes , Gates McFadden , Marina Sirtis , and Michael Dorn for their show on their day of shooting , Wednesday on Paramount Stage 16 . Phelps and Thompson were also interviewed for the television special " Star Trek 25th Anniversary Special " on and for Denise Crosby ' s documentary " Trekkies " in 1997 . Both were also interviewed for the TNG Season 4 DVD special feature " Departmental Briefing Year Four " ( " Make Up " ) , also in 1991 . They told that they wore the suits and make up for 18 hours . Born as Mark LaMarr Thompson in Florence , Alabama he attended the University of North Alabama . He then worked as radio disc jockey and did several commercials before he met his future partner Brian Phelps . Their show was also brought into the television format with a short living comedy series " The Adventures of Mark & Brian " in 1991 / 1992 . " Star Trek " stuntman Dan Koko coordinated the opening stunt sequence of this series . Thompson had featured parts in the television comedy " A Very Brady Christmas " ( 1988 ) , the television comedy " Stuck With Each Other " ( 1989 , with Michael J . Pollard ) , the sport drama " Rocky V " ( 1990 , with Patrick Cronin and Clay Hodges ) , the television adventure " Ring of the Musketeers " ( 1992 , with John Rhys - Davies , Corbin Bernsen , Erik Cord , Dick Butler , Christopher Doyle , Scott Jaeck , Marie Marshall , Branscombe Richmond , and Patricia Tallman ) , the horror sequel " Jason Goes to Hell : The Final Friday " ( 1993 , with Kane Hodder , Steven Culp , Leslie Jordan , and Michael Buchman Silver ) , the fantasy horror film " Lord of Illusions " ( 1995 , with Famke Janssen and Scott Bakula ) , the science fiction sequel " Escape from L . A . " ( 1996 , with Michelle Forbes ) , the comedy " The Princess Diaries " ( 2001 , with Rene Auberjonois ) , and in the comedy " Totally Baked : A Pot - U - Mentary " ( 2007 , with Ivar Brogger ) . He also appeared in episodes of " Crime Story " ( 1988 , with Bill Smitrovich and Billy Campbell ) , " Quantum Leap " ( 1993 , with Scott Bakula , Dean Stockwell , and Gregory Itzin ) , " Cheers " , " Wings " , " Married with Children " , " Lois & Clark : The New Adventures of Superman " ( with Teri Hatcher ) , " The Adventures of Brisco County , Jr . " , " Ned & Stacey " ( 1995 ) , " Perversions of Science " ( 1997 , directed and with William Shatner and his daughter Melanie Shatner ) , " Dharma & Greg " ( 1998 , with Mitchell Ryan ) , " Ben 10 " ( 2007 , with Paul Eiding and Richard McGonagle ) , " Madtv " ( 2008 , with Seth MacFarlane ) , and " Dirt " ( 2008 , with Josh Clark ) , and had a recurring role in three episodes of " Reba " ( 2002 - 2003 , with Scarlett Pomers and Dion Anderson ) . In 2002 he wrote the story and starred in the drama " Mother Ghost " for which he won the Screenplay Competition First Prize for Best Screenplay at the Rhode Island International Film Festival , the Best Narrative Feature Award at the Ojai Film Festival , the Festival Award for Best Narrative Feature at the Marco Island Film Festival , and the Jury Award for Best Feature Film at the Long Beach International Film Festival . More recently he appeared in the short drama " Help " ( 2008 ) and in the horror thriller " 2 : 13 " ( 2009 ) on which he also worked as writer and producer .