Susan Hayward as Christine Allison

Peter Finch as Stephen Dane

Diane Cilento as Liane Dane

Cyril Cusack as Captain Ferris

Kieron Moore as Roscoe

Richard Wattis as Ebblington

Athene Seyler as Aunt Heather Chandler

Miriam Karlin as Woman in the Black Maria

Laurence Naismith as O'Grady

J.G. Devlin as Coroner

Clive Morton as Judge

Richard Leech as Irish Doctor

Brenda De Banzie as Nurse Drew

Yolande Turner as Polly

Marguerite Brennan as Irish Barmaid

Judith Furse as 1st Wardress

Peter Sallis as Sleazy Doctor

Joan Benham as Restaurant Manager

Joan Hickson as Landlady

Edwin Apps as Junior Counsel (uncredited)

Grace Arnold as 2nd Wardress (uncredited)

Paul Beradi as Barrister (uncredited)

Ernest Blyth as Court Official (uncredited)

Donald Gray as Polly's Husband (uncredited)

Guy Standeven as Barrister (uncredited)

Peter Vaughan as Police Inspector (uncredited)

Fred Wood as Marquee Observor (uncredited)