 Errol FlynnFrancis Monroe Warren II, alias F.X. Pettijohn | Francis Monroe Warren II, alias F.X. Pettijohn |
 Brenda MarshallRita Warren | Rita Warren |
 Ralph BellamyDr. R.L. Davis | Dr. R.L. Davis |
 Alan HalePolice Insp. Charles M. Mason | Police Insp. Charles M. Mason |
 Lee PatrickBlondie White | Blondie White |
 Allen JenkinsWilfred | Wilfred |
 Lucile WatsonAgatha Archer | Agatha Archer |
 William FrawleyDet. 'Hoppy' Hopkins | Det. 'Hoppy' Hopkins |
 Roscoe KarnsMonahan | Monahan |
 Grant MitchellWellington Carruthers | Wellington Carruthers |
 Maris WrixonJune Brewster | June Brewster |
 Noel MadisonLeopold Fissue | Leopold Fissue |
 Jack La RueAce Vernon | Ace Vernon |
 Turhan BeyAhmed | Ahmed |
 Wade BotelerPolice Sergeant (uncredited) | Police Sergeant (uncredited) |
 Richard CramerDetective Bringing Vernon (uncredited) | Detective Bringing Vernon (uncredited) |
 Frank FaylenGus a Taxi Driver (uncredited) | Gus a Taxi Driver (uncredited) |
 Creighton HaleMr. Harlan (uncredited) | Mr. Harlan (uncredited) |
 William HopperPolice Secretary (uncredited) | Police Secretary (uncredited) |
 Olaf HyttenHorace the Butler (uncredited) | Horace the Butler (uncredited) |
 Frank MayoJoe a Cop (uncredited) | Joe a Cop (uncredited) |
 Jack MowerPolice Sgt. Brent (uncredited) | Police Sgt. Brent (uncredited) |
 David NewellJune's Escort (uncredited) | June's Escort (uncredited) |
 Winifred HarrisMiss Perry | Miss Perry |
