Kim Novak character Carly Hardwicke
Jack Lemmon character Bill Gridley
Fred Astaire character Franklyn Ambruster
Lionel Jeffries character Inspector Oliphant
Estelle Winwood character Mrs. Dunhill
Maxwell Reed character Miles Hardwicke
Philippa Bevans character Agatha Brown
Henry Daniell character Stranger
Ronald Long character Coroner
Richard Peel character Dillings
Doris Lloyd character Lady Fallott
Bess Flowers character Courtroom Spectator (uncredited)
Leoda Richards character Trial Spectator (uncredited)
