 | Priscilla Lane | .... | Patricia Martin |
 | Robert Cummings | .... | Barry Kane |
 | Otto Kruger | .... | Charles Tobin |
 | Alan Baxter | .... | Mr. Freeman |
 | Clem Bevans | .... | Neilson |
 | Norman Lloyd | .... | Frank Fry |
 | Alma Kruger | .... | Henrietta Sutton |
 | Vaughan Glaser | .... | Phillip Martin |
 | Dorothy Peterson | .... | Mrs. Mason |
 | Ian Wolfe | .... | Robert the Butler |
 | Murray Alper | .... | Mac, Truck Driver |
 | Kathryn Adams | .... | Mrs. Brown, Young Mother |
 | Pedro de Cordoba | .... | Bones |
 | Billy Curtis | .... | 'Major,' the Midget |
 | Marie LeDeaux | .... | Tatania, the Fat Woman |
 | Anita Sharp-Bolster | .... | Lorelei |
 | Jean Romer | .... | Marigold, Siamese Twin |
 | Lynne Romer | .... | Annette, Siamese Twin |
 | Hardie Albright | .... | Detective (uncredited) |
 | Oliver Blake | .... | Detective (uncredited) |
 | Veda Ann Borg | .... | Actress on movie screen |
 | Al Bridge | .... | Marine Sergeant (uncredited) |
 | Ralph Brooks | .... | Dance extra (uncredited) |
 | Paul E. Burns | .... | Farmer (uncredited) |
 | Don Cadell | .... | F.B.I. man (uncredited) |
 | Frances Carson | .... | Society woman (uncredited) |
 | Jack Cheatham | .... | Detective (uncredited) |
 | Hans Conried | .... | Edward (uncredited) |
 | Kernan Cripps | .... | Man in movie audience (uncredited) |
 | Mary Curtis | .... | Midget (uncredited) |
 | Norma Drury | .... | Refugee mother (uncredited) |
 | Ralph Dunn | .... | F.B.I. man at Mason's house |
 | John Eldredge | .... | Footman (uncredited) |
 | Paul Everton | .... | Bus man (uncredited) |
 | Pat Flaherty | .... | George (uncredited) |
 | James Flavin | .... | Motorcycle cop (uncredited, voice) |
 | Eddie Foster | .... | Driver for saboteurs (uncredited) |
 | Jack Gardner | .... | Pat's taxi driver (uncredited) |
 | Eugene Gericke | .... | Worker (uncredited) |
 | Gus Glassmire | .... | Mr. Pearl (uncredited) |
 | William Gould | .... | Stranger (uncredited) |
 | Charles Halton | .... | Sheriff (uncredited) |
 | Vinton Haworth | .... | Other man in the movie (uncredited) |
 | Margaret Hayes | .... | Wife in movie (uncredited) |
 | Samuel S. Hinds | .... | Foundation leader (uncredited) |
 | Alfred Hitchcock | .... | Man in front of NY drugstore |
 | Selmer Jackson | .... | F.B.I. Chief (uncredited) |
 | Milton Kibbee | .... | Man killed in movie theater |
 | Rex Lease | .... | Deputy (uncredited) |
 | William A. Lee | .... | Worker (uncredited) |
 | Alexander Lockwood | .... | Marine (uncredited) |
 | Nancy Loring | .... | Young mother (uncredited) |
 | Lou Lubin | .... | Man (uncredited) |
 | Jimmie Lucas | .... | Taxi driver (uncredited) |
 | Frank Marlowe | .... | Man in Newsreel Truck (uncredited) |
 | Kermit Maynard | .... | Cow hand (uncredited) |
 | Margaret Ann McLaughlin | .... | Baby Susie Brown (uncredited) |
 | Dick Midgley | .... | F.B.I. man (uncredited) |
 | Walter Miller | .... | Midget (uncredited) |
 | Belle Mitchell | .... | Adele, the maid (uncredited) |
 | Margaret Moffatt | .... | Neighbor (uncredited) |
 | Gene O'Donnell | .... | Jitterbug (uncredited) |
 | George Offerman | .... | Worker (uncredited) |
 | Emory Parnell | .... | Husband in movie (uncredited) |
 | Ruth Peterson | .... | Society woman (uncredited) |
 | Lee Phelps | .... | Plant Security (uncredited) |
 | Paul Phillips | .... | Driver (uncredited) |
 | Gerald Pierce | .... | Elevator operator (uncredited) |
 | Cyril Ring | .... | Party guest (uncredited) |
 | William Ruhl | .... | Deputy marshal (uncredited) |
 | Jeffrey Sayre | .... | Henchman (uncredited) |
 | Shadow | .... | Dog (uncredited) |
 | Charles Sherlock | .... | Barry's taxi driver (uncredited) |
 | Byron Shores | .... | Detective (uncredited) |
 | Carol Stevens | .... | Deaf Man's Companion (uncredited) |
 | Harry Strang | .... | Policeman (uncredited) |
 | Virgil Summers | .... | Ken Mason (uncredited) |
 | Torin Thatcher | .... | Man (uncredited) |
 | Jean Trent | .... | Blonde aircraft worker (uncredited) |
 | Archie Twitchell | .... | Motorcycle cop (uncredited, voice) |
 | Dale Van Sickel | .... | F.B.I. assistant - phone operator |
 | Claire Whitney | .... | Wife in movie audience (uncredited) |
 | Matt Willis | .... | Sheriff (uncredited) |
 | Marjorie Wood | .... | Farmer's wife (uncredited) |
 | Will Wright | .... | Company official (uncredited) |
 | Barton Yarborough | .... | First F.B.I. man at Mason's house |
 | Duke York | .... | Driver, deputy (uncredited) |