It's Dark Outside

William Mervyn

Chief Insp. Charles Rose

Keith Barron

Det. Sgt. Swift

John Carson

Anthony Brand

June Tobin

Alice Brand

Veronica Strong

Claire Martin

John Stratton

Fred Blane

Anthony Ainley

Det. Sgt. Hunter

Bill Croasdale

Det. Const. Roberts

Tony Steedman

Harold Miller

Alick Hayes

Assistant Commissioner

Jane Barrett

Joan Blane (née Tulk)

Roy Maxwell

Croupier

Rex Boyd

Radio Announcer (voice)

Aubrey Morris

Harold Tulk

Richard Butler

Arthur Tulk

John Moore

O'Connor

John Comer

Constable

Michael Barlow

Det. Const. Cowan

Elna Pearl

Sally

Doris Wellings

Woman in Street

Norma Wilson

Woman in Street

Ronald Radd

Raoul Brissac

George Pastell

Dimitriades

Wendy Gifford

Justine Clare