Dennis O'Keefe

Paul Mitchell

Coleen Gray

Mary Mason

Hugh Williams

Sir Richard Aldingham

Guy Middleton

Smith

John Laurie

Henry Mason

Gerald Case

Randall

Seymour Green

Weston

Eliot Makeham

George

Stanley Van Beers

Cartwright

Ellen Pollock

Miss Fossett

Morris Sweden

Pettigrew

Dora Bryan

Barmaid

Arnold Bell

Police Inspector

Michael Ward

Art Salesman

Clifford Buckton

Lodging House Keeper

Leslie Phillips

Boy Student

Marianne Noelle

Girl Student

Billie Whitelaw

Waitress

John Wadham

Thug

Beatrice Kane

Frank Atkinson

uncredited

Tom Clegg

uncredited

Guy Deghy

uncredited

Harold Sanderson

uncredited

Johnnie Schofield

uncredited

Leonard Sharp

uncredited

Philip Ray

Bearded Tramp

Hyma Beckley

Art Gallery Visitor (uncredited)

Jimmy Cains

Howard - Tate Gallery Attendant (uncredited)

Dan Darnelli

Pub Customer (uncredited)

Norman Fisher

Museum Visitor (uncredited)

Robert Gregory

Art Gallery Visitor (uncredited)

Charles Hammond

Pub Customer (uncredited)

Dido Plumb

Museum Visitor (uncredited)

Jim Tyson

Stevedore (uncredited)