Peter Ewart Ohm, known professionally as Peter Vaughan, was an English character actor known for many supporting roles in British film and television productions. He also acted extensively on stage.

Porridge is a 1979 British comedy film directed by Dick Clement and starring Ronnie Barker, Richard Beckinsale, Fulton Mackay and Brian Wilde. It was written by Clement and Ian La Frenais based on their BBC television series Porridge (1974–1977). Most of prison officers and inmates from the original series appear in the film, with the notable exceptions of Lukewarm, Blanco, Heslop and Harris. There is also a different governor, played by Geoffrey Bayldon rather than series regular Michael Barrington.