Pauline Collins
— Sylvia
Derrick O'Connor
— Alan
Michelle Mulvany
— Ruthie
Timothy Jessel
— Adam
Diana Rayworth
— Jenny
Peggy Aitchison
— Alan's Mother
Arnold Peters
— Gartree Officer
Julian Hall
— Gartree Officer
Laurence Harrington
— Clarke
Roger Monk
— Terry
Peter John
— Phil Strode
Graham Lines
— Jonathan Lee
Sally Lahee
— Mary Wood
Robert Putt
— Verne Reception Officer
Vincent Friell
— Verne Prisoner
Peter Cartwright
— Verne Governor
Malcolm Terris
— Visiting Room Officer
Frank Coda
— Kitchen Officer
Billy Riddoch
— Kitchen Officer
Petronella Barker
— Visitor
Olivier Pierre
— Charles Le Page
Iain Rattray
— CID Officer
Ray Sumby
— Man at Party
Joanna Phillips-Lane
— Woman at Party
Geoffrey Swann
— Assistant Governor
Leslie Grantham
— Peter
Michael Barrington
— Interviewer
Dave Anderson
— Rock Band
Kenny Potter
— Rock Band
Rab Handleigh
— Rock Band