John Thorson details 'Rocky' Blake details Susan Thorson details District Commander details U-Boat Captain details 'Cap' Finch details Milo details Ives details German U-Boat Officer details Admiral Ross details U-Boat Petty Officer details Ensign Dyer details Admiral Girard details Recruiting Officer (uncredited) details Fisherman (uncredited) details Fisherman (uncredited) details Recruiting Officer (uncredited) details Fisherman (uncredited) details Listener (uncredited) details Radio Operator (uncredited) details Sailor (uncredited) details Lieutenant (uncredited) details Captain (uncredited) details Man with Finch (uncredited) details Mrs. Gill (uncredited) details Fisherman (uncredited) details Petty Officer (uncredited) details Lookout (uncredited) details Recruiting Officer (uncredited) details Survivor (uncredited) details Lookout (uncredited) details Sailor (uncredited) details Fisherman (uncredited) details Fisherman (uncredited) details Surgeon (uncredited) details Fisherman (uncredited) details Wireless Operator (uncredited) details Boy (uncredited) details Signalman (uncredited) details Sailor (uncredited) details Fisherman (uncredited) details Fisherman (uncredited) details Nurse (uncredited) details Radio Operator (uncredited) details Orderly (uncredited) details Fisherman (uncredited) details Naval Aide (uncredited) details Old Sailor in Bilge Area (uncredited) details Wireless Operator Sending Coded Message (uncredited) details Engineer (uncredited) details German Operator (uncredited) details German Sailor Looking for Wireless (uncredited) details Cook on Tugboat (uncredited) details Sailor (uncredited) details German Sailor (uncredited) details Shore Patrol Sailor (uncredited) details Young German Sailor (uncredited) details Junior Officer Standing by Map (uncredited) details German Officer (uncredited) details German Sailor (uncredited) details Sailor (uncredited) details 
