Louis Jourdan
— Peter Sterling
Angela Punch McGregor
— Christine Sterling
Peter Cummins
— Detective Mills
Bruce Spence
— Doug Mitchell
Kerry Walker
— Sibyl Anderson
Diane Craig
— Miss Stevens
Warwick Comber
— Young Man
June Jago
— Mrs. Coolidge
Joan Letch
— Mum
Danee Lindsay
— Junior Secretary
Sean Myers
— Freddie
Robin Cuming
— James
Harold Baigent
— Sir Henry
Kerry Daniel
— Doug's Girl
Brenda Beddison
— Old Lady
Don Bridges
— Station Assistant