Highly Dangerous

Frances Gray

Bill Casey

Commandant Anton Razinski

Mr. Hedgerley

Mr. Luke

Alf

Detective-Interrogator

Attendant

Priest

Lab Director Owens

Sandwich Stand Customer

Joe - the bartender

Customs Officer

Customs Man

Judy

Wardress (uncredited)

Night Field Telephone Officer (uncredited)

Café Mimosa Patron (uncredited)

Police Sergeant at Customs Café (uncredited)

Tom - Lab Assistant (uncredited)

Train Passenger (uncredited)

Soldier at Station Checkpoint (uncredited)

Frank Conway (uncredited)

Officer at Station (uncredited)