Cast & crew
Confirm or Deny (1941)
Directed by Archie Mayo Written by Jo Swerling, Samuel Fuller, Henry Wales
Cast
| Sam Balter | Berlin |
| Walter Byron | Minor Role |
| Jean Prescott | Harding |
| Constantine Romanoff | Masseur |
| Doris Stone | Power Operator |
| Bruce Cameron | Acrobat |
| Roseanne Murray | Defence Ministry |
| Cyril Thornton | Cuban Refugee |
| Stuart Robertson | Press |
| Heather Wilde | Power Operator |
| Queenie Leonard | Switchboard |
| Leonard Carey | Sidney J. Mussburger |
| Russell Saunders | Acrobat |
| David Thursby | Workman |
| Lumsden Hare | Penzance |
| Claud Allister | Rustico (scenes deleted) |
| Viola Moore | Power Operator |
| Dennis Hoey | Duffield |
| David Cavendish | Headwaiter |
| Eric Blore | Hobbs |
| Alexander Gillison | Warden |
| Bill Wilson | Minor Role |
| Raymond Walburn | Cyrus |
| Arthur Shields | Typist |
| Harry 'Snub' Pollard | Raid |
| Helene Reynolds | Dorothy |
| Alexander Pollard | Mactilburgh's Assistant |
| Cyril Delevanti | Rustico (scenes deleted) |
| Joan Bennett | Meta Carson |
| James McNamara | Minor Role |
| Hilda Vaughn | Rustico (scenes deleted) |
| Billy Bevan | Mr. Vornick |
| Alan Napier | Rustico (scenes deleted) |
| Don Ameche | Mitchell |
| Larry Dods | Minor Role |
| Colin Kenny | Minor Role |
| Roddy McDowall | Birdie Perkins |
| John Loder | Lionel |
| Ted Billings | Raid |
| Stanley Mann | Minor Role |
| Jack Luden | Newsman |
| Bert Stevens | Newsman |
| David Dunbar | Workman |
Crew
| Jo Swerling | Screenplay |
| Fritz Lang | Co-Director |
| Archie Mayo | Director |
| Lee Hammond | Producer |
| Samuel Fuller | Story |
| Henry Wales | Story |