Peter Jurasik is an American actor best known for his television roles as Londo Mollari in the 1990s science fiction series Babylon 5, and as Sid the Snitch on the 1980s series Hill Street Blues.
Among Jurasik's guest appearances are an entomologist in one episode of MacGyver, CID investigator Captain Triplett in two episodes of M*A*S*H, and Dr. Oberon Geiger on three episodes of Sliders.
Jurasik also starred as Mitch Kline in the 1983 short-lived series Bay City Blues.
His movie roles includes the film Tron (1982), with future Babylon 5 co-star Bruce Boxleitner and as Roy, the perfect father neighbour, in Problem Child (1990).
In 1998, he wrote Diplomatic Act with William H. Keith, Jr., a science fiction novel where the lead character, an actor in a science fiction show, is kidnapped by aliens who think him to actually be his character from the program.
The book is similar in tone and story to Galaxy Quest, which was released one year later.
In 2000 he appeared in the Doctor Who audio adventure Winter for the Adept.
Since 2000, Jurasik has had guest roles on NYPD Blue, Dawson's Creek, Going To California and One Tree Hill, and has appeared in the feature films Runaway Jury (2003), Stateside (2004) and The Writer's Pub (2005), which was his last screen performance.
As of 2005 he has retired from acting; he lives with his family in North Carolina and teaches at the University of North Carolina at Wilmington.