Robyn Millan
— Kathy
Ralph Bates
— Michael Spencer
Edward Judd
— Charles Burns
Derek Francis
— Sam
Allan McClelland
— Lee
John Hallam
— Roscoe
Anne Rutter
— Helen Spencer
June Watson
— Petra
Gillian McCutcheon
— Janice Freeman
Patrick Jordan
— Inspector Turner
Paul Humpoletz
— Osgood
Patrick Tull
— Terry
Keith Anderson
— Auditor
Lynne Miller
— Young Woman
Adrian Shergold
— Young Man
Peter Mackriel
— Mr. Taylor
Derek Chafer
— Policeman Arresting Petra (uncredited)
Cliff Diggins
— Motorcycle Cop (uncredited)