| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barney McGill | Crew | Camera | Director of Photography |
 Ben Hecht | Crew | Writing | Writer |
 Carey Wilson | Crew | Writing | Writer |
Cedric Worth | Crew | Writing | Writer |
 Charles MacArthur | Crew | Writing | Writer |
Clifford Vaughan | Crew | Sound | Original Music Composer |
Dolph Zimmer | Crew | Directing | Assistant Director |
Edward B. Powell | Crew | Sound | Original Music Composer |
Hanson T. Fritch | Crew | Editing | Editor |
Hugo Grenzbach | Crew | Sound | Sound |
 Hugo Riesenfeld | Crew | Sound | Original Music Composer |
 Rex Stout | Crew | Writing | Novel |
Sidney Ullman | Crew | Art | Art Direction |
Walter Wanger | Crew | Production | Producer |
 William A. Wellman | Crew | Directing | Director |
 Andy Devine | Cast | Actor | Val Orcott |
Art Howard | Cast | Legislator | |
 Arthur Byron | Cast | Actor | President Stanley Craig |
 Charles K. French | Cast | Actor | Legislator |
 Charles Meakin | Cast | Legislator | |
 Charles Richman | Cast | Actor | Corcoran |
 Charley Grapewin | Cast | Actor | Richard Norton |
 Clara Blandick | Cast | Actress | Mrs. Delling |
 DeWitt Jennings | Cast | Actor | Cullen |
 Douglas Wood | Cast | Actor | Roger Grant |
Ed Lewis | Cast | Legislator | |
 Eddie Fetherston | Cast | Actor | Radio Man at President's Speech (uncredited) |
Edgar Sherrod | Cast | Actor | Legislator |
 Edmund Mortimer | Cast | Actor | Legislator |
 Edward Arnold | Cast | Actor | Secretary of War Wardell |
 Edward Ellis | Cast | Actor | Lincoln Lee |
 Emmett King | Cast | Actor | Legislator |
 Harry Woods | Cast | Actor | Kramer |
 Henry Hebert | Cast | Actor | Legislator |
 Irene Franklin | Cast | Actress | Mrs. Orcott |
 Irving Bacon | Cast | Actor | Gray Shirt Garage Attendant (uncredited) |
 J. Carrol Naish | Cast | Actor | Anti-War Demonstrator (uncredited) |
 Janet Beecher | Cast | Actress | Mrs. Craig |
 Jason Robards Sr. | Cast | Actor | Kilbourne |
 John St. Polis | Cast | Actor | Attorney General Davis (uncredited) |
Martha Mayo | Cast | Mrs. Delling | |
 Osgood Perkins | Cast | Actor | Harris Brownell |
 Paul Harvey | Cast | Actor | Skinner |
 Paul Kelly | Cast | Actor | Chick Moffat |
 Peggy Conklin | Cast | Actress | Alma Cronin |
 Robert Homans | Cast | Actor | Cop on the Beat (uncredited) |
 Robert McWade | Cast | Actor | Vice Presient Molleson |
 Rosalind Russell | Cast | Actress | Sally Voorman |
 Sam Hayes | Cast | Radio Announcer (uncredited) | |
 Sidney Blackmer | Cast | Actor | D.L. Voorman |
 Walter Kingsford | Cast | Actor | Drew |
William J. Holmes | Cast | Legislator | |
 William Worthington | Cast | Actor | Legislator |
 Tom Dugan | Cast | Actor | Nolan |
| Person | Type | Job | Role(s) |
