Peter Jurasik (born 25 April 1950, Queens, New York) is an American actor best known for his roles as Sid the Snith on the 1980's television series Hill Street Blues and as Londo Molarri in the 1990's science fiction series Babylon 5. As of 2003, he has retired from acting; he lives in North Carolina and teaches at the University of North Carolina at Wilmington.