Générique complet
Counter-Espionage
Warren William
Michael Lanyard
Eric Blore
Jameson
Hillary Brooke
Pamela Hart
Thurston Hall
Insp. Crane
Fred Kelsey
Dickens
Forrest Tucker
Anton Schugg
Matthew Boulton
Inspector Stephens
Kurt Katch
Gustav Sossel
Morton Lowry
Kent Wells
LD
Leslie Denison
Harvey Leeds
Billy Bevan
George Barrow
Stanley Logan
Sir Stafford Hart
TS
Tom Stevenson
Police Constable Hopkins
Lloyd Bridges
Waiter/Spy (uncredited)
HW
Heather Wilde
