"Fletcher discovers that his fellow inmates are planning to escape."
Ronnie Barker
as Fletcher
Brian Wilde
as Mr. Barrowclough
Fulton Mackay
as Mr. Mackay
Richard Beckinsale
as Godber
Peter Vaughan
as Harry Grout
Graham Crowden
as Prison Doctor
Sam Kelly
as Warren
Christopher Biggins
as Lukewarm
Carol Hawkins
as Sandra
Elisabeth Day
as Nurse
John Cannon
as Prisoner (uncredited)
Eden Fox
Eric French
as Warder (uncredited)
Charlie Gray
Eric Kent
Ronald Nunnery
Paul Phillips
Ian La Frenais
Writer
Sydney Lotterby
Director
Dick Clement
Producer
