Trevor Reid

as Inspector MacMitchell

as Gen. Sir Bernard L. Montgomery (uncredited)

as Examiner

as Dr. Liversidge

as Bank Manager

as Inspector Forbes

as Inspector Craven

as Bride's Father

as Inspector Stevenson

as Supt. Carver

as Inspector Palissy

as Hotel Manager (uncredited)

as Inspector

as Bunting

as Dover Police Inspector

as Fraser

as Police Superintendent

as Inspector Crambo

as Simmons the Technician (uncredited)

as Inspector Brace

as Detective Sergeant Filson

as Watson

as Commissioner

as Inspector Gringall

as Colonel Sutton

as Pilot

as Inspector Holt