Ronnie Barker

Fletcher

Brian Wilde

Mr. Barrowclough

Fulton Mackay

Mr. Mackay

Richard Beckinsale

Godber

Peter Vaughan

Harry Grout

Graham Crowden

Prison Doctor

Sam Kelly

Warren

Christopher Biggins

Lukewarm

Carol Hawkins

Sandra

Elisabeth Day

Nurse

John Cannon

Prisoner (uncredited)

Eden Fox

Prisoner (uncredited)

Eric French

Warder (uncredited)

Charlie Gray

Prisoner (uncredited)

Eric Kent

Prisoner (uncredited)

Ronald Nunnery

Prisoner (uncredited)

Paul Phillips

Prisoner (uncredited)