Ronnie Barker as Norman Stanley Fletcher

Richard Beckinsale as Lennie Godber

Fulton Mackay as Mackay

Brian Wilde as Barrowclough

Peter Vaughan as Grouty

Julian Holloway as Bainbridge

Geoffrey Bayldon as Treadaway - Governor

Christopher Godwin as Beal

Barrie Rutter as Oakes

Daniel Peacock as Rudge

Sam Kelly as Warren

Ken Jones as Ives

Gorden Kaye as Dines

Philip Locke as Banyard

Oliver Smith as McMillan

Karl Howman as Urquhart

Andrew Dunford as Armstrong

Steve Steen as Wellings

Ivan Steward as Simpkins

Derek James as Small

Tony Osoba as McLaren

Zoot Money as Lotterby

Rod Culbertson as Callaghan

Derek Deadman as Cooper

Robert Putt as Atkinson

Allan Warren as Whalley

Stewart Harwood as Whittaker

John Barrett as Hedley

Paul Barber as Morgan

Sebastian Abineri as Hayward

John Dair as Sampson

Barry James as Delilah

Jackie Pallo Jr. as Jacko

Robert Lee as Tinkler

Robert Hamilton as Cox

Charles Pemberton as Miller

Colin Rix as Lassiter

Michael O'Hagan as MO

Paul McDowell as Collinson

Paul Luty as Chalky

Duncan Preston as Weatherman

Elizabeth Knight as Sheila

Nicholas McArdle as PC Townsend

Jean Campbell-Dallas as Old Lady

Bill Kerry as Old Man

Bunny May as Alf

Barrie Holland as Prisoner (uncredited)