Derrick O'Connor
Detective Ritchie
Gary Holton
Ken
Richard Thomas
Leo Turner
Peter Clark
Mike Simmonds
Gwyneth Strong
Jan, Ken's Girlfriend
Caroline Embling
Susan, Leo's Sister
Jack Douglas
Senior Police Officer
Billy Colvill
Williams
P.H. Moriarty
Police 1
Richard Hope
Police 2
Neil Cunningham
School Masters 1
George Costigan
School Masters 2
Jimmy Hibbert
Disco 3
C.P. Lee
Club Manager
Mel Smith
Disco Doorman
Nula Conwell
Ken's Gang 1