as Superintendent Samuel Kemp-Bird
as Detective Simmons
as Superintendent Browning
as Martin Sorrowby
as Inspector "Freddie" Frisnay
as Insp. Barnett
as Officer of the Watch
as Superintendent Kemp Bird
as Detective-Inspector Felby
as Police Inspector
as Collins (uncredited)
as Inspector Mason
as Sir John Westcliff
as Gladstone
as Mr. Bateman (uncredited)
