Old Gunge
Old Man /
Jacomini
Merwyn
Scrawny man
Sergeant Colin Twickenham
Majordomo (uncredited)
Jean (as Terence De Marney)
Sgt. Smolett
Sergeant Luce
Pop (as Terence DeMarny)
Sosthene
Johnnie Thompson
Mike Bergen
Code Expert
Narrator
Det. Sgt. Raines
Richard Gearing
Harry Morton / Hamlet / Romeo
Youngster
Michael Winthrop
Amos Wilder
