Undercover: How to Operate Behind Enemy Lines

John Ford

J.P. Baldwin

?

Eddie Foster

Fish Cutter

Martín Garralaga

Enemy Agent Y

Cyril Ring

Enemy Agent X

Pierre Watkin

British Agent Z

Max Wagner

Rudy the Sailor

?

Osa Massen

Sailor's Girlfriend

?

Tom Quinn

Train Passenger

Victor Varconi

Enemy Security Officer

Peter Lorre

Secret Agent

Crane Whitley

A.T. Atkinson