Obsession

Dr. Clive Riordan

Robert Newton

Bill Kronin

Phil Brown

Storm Riordan

Sally Gray

Supt. Finsbury

Naunton Wayne

Aitkin (butler)

James Harcourt

Miss Stevens (receptionist)

Betty Cooper

The Colonel, blustery club member

Allan Jeayes

Talkative, balding club member

Ronald Adam

Bespectacled third club member, from Whitehall

Roddy Hughes

Mrs. Humphries

Olga Lindo

Policeman at Garage

Stanley Baker

Detective at Garage

Russell Waters

American Sailor Promoting Book

Michael Balfour

Club steward

Sam Kydd

Ernest Clark

Club Member

Lyonel Watts