I Thank a Fool

A physician is employed by an attorney, played by Peter Finch, who formerly prosecuted her on charges of euthanasia to watch over his mentally ill wife.

Susan Hayward

Christine Allison

Peter Finch

Stephen Dane

Diane Cilento

Liane Dane

Cyril Cusack

Captain Ferris

Peter Vaughan

Police Inspector (uncredited)

Kieron Moore

Roscoe

Richard Wattis

Ebblington

Athene Seyler

Aunt Heather Chandler

Miriam Karlin

Woman in the Black Maria

Laurence Naismith

O'Grady

J.G. Devlin

Coroner

Clive Morton

Judge

Richard Leech

Irish Doctor

Yolande Turner

Polly

Brenda De Banzie

Nurse Drew

Judith Furse

1st Wardress

Peter Sallis

Sleazy Doctor

Joan Hickson

Landlady