Susan Stephen

Janie Matthews

Jack Watling

Tom Matthews

Karl Stepanek

Pliny

Richard Pearson

Noel

Terence Alexander

Harry

John Le Mesurier

Luigi

Ballard Berkeley

Findley

Genine Graham

Diana

Trevor Reid

Watson

John Longden

Worthington

Arthur Rigby

Feathers

John H. Watson

Tomkins

Tom Bowman

Undercover Policeman (uncredited)

Tom Clegg

Thug (uncredited)

Pat Hagan

Dog-track Restaurant Patron (uncredited)

Barry Johns

Airport Security Man (uncredited)

Jim Morris

Thug (uncredited)

Arthur Mullard

Undercover Policeman (uncredited)

Pat Ryan

Man Playing One-armed Bandit (uncredited)

Jack Sharp

Airport Security Man (uncredited)

Jack Taylor

Radio Operator (uncredited)

Freddie Watts

Luke - Bookie (uncredited)