Tom Conway

as Sir Roderick Strood

Elizabeth Sellars

as Daphne Strood

Eunice Gayson

as Elizabeth Anders

Freda Jackson

as Mrs. Tucker

Hugh Latimer

as Mark Perryman

Ronald Simpson

as Dr. Cartwright

Victor Maddern

as Bonaker

Anthony Newley

as Cyril Gaskin

Margaretta Scott

as Mrs. Cranshaw

Leslie Weston

as Bayfield

Raymond Huntley

as Attorney General

Martin Boddey

as Detective Sgt. Horne

Shelagh Fraser

as Mrs. Bracket

Harold Goodwin

as Cheed

Thomas Heathcote

as Bracket

Joan Hickson

as Mrs. Prynne

David Horne

as Antony Harcombe, Q.C.

Walter Hudd

as The Judge

Maya Koumani

as Cheed's Nurse

Jack Lambert

as Major Forth

Charles Lloyd Pack

as Frognal

Gillian Lynne

as Gaskin's Girl

Sheila Manahan

as Senior Sister

Michael McKeag

as Ernie Bayfield

Russell Napier

as Detective Sgt. Bolton

Joan Newell

as Mrs. Iseley

Hal Osmond

as Coates

Conrad Phillips

as Dr. Mason

Tony Quinn

as Nywood

John Schlesinger

as Dr. Goldfinger

Bill Shine

as Underhay

Harold Siddons

as Cheed's Doctor

Olive Sloane

as Mrs. Bayfield

John Stuart

as Magistrate

Anna Turner

as Lucy Prynne

Rosamund Waring

as Nurse Tomkins

John Warren

as Passport Official