Eric Portman

Paul Mangin

Edana Romney

Mifanwy

Barbara Mullen

Veronica

Hugh Sinclair

Owen Rhys

Bruce Belfrage

Sir David Conway

Joan Maude

Caroline Hart

Leslie Weston

Mortimer

Alan Wheatley

Edgar Orsen

Hugh Latimer

Bing

John Penrose

Brandy

Christopher Lee

Charles

Lois Maxwell

Lois

Mavis Villiers

Babs

Thora Hird

Visitor in Tussauds

Valentine Dyall

Counsel for the Defence (uncredited)

Terence Young