Obsession

Robert Newton

Dr. Clive Riordan

Phil Brown

Bill Kronin

Sally Gray

Storm Riordan

Naunton Wayne

Supt. Finsbury

James Harcourt

Aitkin (butler)

Betty Cooper

Miss Stevens (receptionist)

Allan Jeayes

The Colonel, blustery club member

Ronald Adam

Talkative, balding club member