Henry Hathaway Director William Eythe Bill Dietrich Actor Lloyd Nolan Agent George A. Briggs Actor Signe Hasso Elsa Gebhardt Actor Gene Lockhart Charles Ogden Roper Actor Leo G. Carroll Col. Hammersohn Actor Lydia St. Clair Johanna Schmidt Actor William Post Jr. Walker Actor Harry Bellaver Max Cobura Actor Bruno Wick Adolf Lange Actor Harro Meller Conrad Arnulf Actor Charles Wagenheim Gustav Hausmann Actor Alfred Linder Adolf Klein Actor Renee Carson Luise Vadja Actor John McKee Dr. Arthur C. Appleton Actor Edwin Jerome Major General Actor Elisabeth Neumann-Viertel Freda Kassel Actor George Shelton Frank Jackson Actor Alfred Zeisler Col. Strassen Actor Reed Hadley Narrator Rusty Lane Admiral Actor Salo Douday Von Wirt Actor Paul Ford Police Sergeant Actor William Adams Customs Officer Actor Lew Eckles Policeman Actor Tom Brown Intern Actor Frieda Altman Saboteur Actor William Beach Saboteur Actor Carl Benson Trainee Actor Hamilton Benz Saboteur Actor George Brandt German Man Actor Charles G. Booth Writer, Screenwriter Barré Lyndon Screenwriter John Monks Jr. Screenwriter Louis De Rochemont Producer Norbert Brodine Cinematographer Harmon Jones Film Editing David Buttolph Original Music Lewis H. Creber Art Director Lyle R. Wheeler Art Director Thomas Little Set Decoration Bonnie Cashin Costume Design