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)
Susanne Gibbs
Gwendoline (uncredited)
Noel Howlett
Psychiatrist (uncredited)
Gordon McLeod
Public Prosecutor (uncredited)