Ray Milland
— Simon Crawford
Sylvia Syms
— Sheila Larkin
Felix Aylmer
— Justice Osborne
Raymond Huntley
— John Naylor
Percy Marmont
— Justice Matthew Gregory
Dulcie Bowman
— Lady Phyllis Gregory
Ewan Roberts
— Hamish Gillespie
Richard Hurndall
— Supt. Eley
Ronald Leigh-Hunt
— Dr. Wimborne
Maggie Rennie
— Julia Kelly
Julian Holloway
— Percy
Sandra Tallent
— Joanna Crawford
Norman Barrs
— Charles Milburn
Harold Berens
— Rosen
Edward Waddy
— Usher
Ballard Berkeley
— Clerk of Court