 Pat O'BrienJohn Webb | John Webb |
 Edward ArnoldVincent Cushing | Vincent Cushing |
 Broderick CrawfordRussel Sampson | Russel Sampson |
 Ruth TerryAnne Seymour | Anne Seymour |
 Alan DinehartDistrict Attorney George Joyce | District Attorney George Joyce |
 Claire DoddAlma Brehmer | Alma Brehmer |
 Phyllis BrooksSarilla Cushing | Sarilla Cushing |
 Eve ArdenMiss Ater | Miss Ater |
 Douglass DumbrilleGeorge Taylor | George Taylor |
 Bernard NedellPete Godena | Pete Godena |
 Douglas FowleyMadder | Madder |
 Ernest TruexP. Hemingway Collins | P. Hemingway Collins |
 Janet BeecherMrs. Cushing | Mrs. Cushing |
 Evelyn KeyesMiss Vlissingen | Miss Vlissingen |
 John SheehanMike Daley | Mike Daley |
 Addison RichardsInspector Melvyn Fromm | Inspector Melvyn Fromm |
 Cliff ClarkCaptain Graves | Captain Graves |
| JJack GreenDetective | Detective |
 Howard HickmanSenator Sam Scott | Senator Sam Scott |
 Willie BestArt, Elevator Operator | Art, Elevator Operator |
 Robert MiddlemassSen. Berry | Sen. Berry |
 Paul McVeyPoliceman | Policeman |
| JJohn DeeringRadio Announcer | Radio Announcer |
 Art BakerRadio Announcer | Radio Announcer |
| DDale ArmstrongRadio Announcer | Radio Announcer |
 Eddy ChandlerO'Leary | O'Leary |
| DDick RushDetective Burke | Detective Burke |
| MMax RoseFingerprint Expert | Fingerprint Expert |
| JJack WinnSurveyor | Surveyor |
| MMuriel BarrGirl on Counch (Uncredited) | Girl on Counch (Uncredited) |
