 Edward G. RobinsonVincent Canelli | Vincent Canelli |
 Jean ParkerHatti Combest | Hatti Combest |
 Peter GravesPeter Manning | Peter Manning |
 Milburn StoneFather Slocum | Father Slocum |
 Warren StevensJoey Stewart | Joey Stewart |
| SSylvia FindleyEllen Norris | Ellen Norris |
 Jack KellyFrank Carson | Frank Carson |
 Hal BaylorLou Mehrtens | Lou Mehrtens |
 James BellJohn Norris | John Norris |
 Vic PerrinDr. Hart | Dr. Hart |
 Russell JohnsonHoward Sloane | Howard Sloane |
 Lee AakerLittle Boy (uncredited) | Little Boy (uncredited) |
 James BaconReporter at Electrocution (uncredited) | Reporter at Electrocution (uncredited) |
 Harry BartellBoland (uncredited) | Boland (uncredited) |
 Arthur BatanidesReporter at Electrocution (uncredited) | Reporter at Electrocution (uncredited) |
 Ray BennettAlexander Watkins (uncredited) | Alexander Watkins (uncredited) |
 Don BlackmanSelwyn (uncredited) | Selwyn (uncredited) |
 David BondThompson (uncredited) | Thompson (uncredited) |
| AAlexander CampbellPrison Warden (uncredited) | Prison Warden (uncredited) |
| KKen ChristyDeath Row Guard (uncredited) | Death Row Guard (uncredited) |
| JJohn CloseCop (uncredited) | Cop (uncredited) |
 Edmund CobbBank Safe Deposit Box Guard (uncredited) | Bank Safe Deposit Box Guard (uncredited) |
 Richard H. CuttingNewspaperman (uncredited) | Newspaperman (uncredited) |
 Franklyn FarnumReporter at Electrocution (uncredited) | Reporter at Electrocution (uncredited) |
 Frank FergusonPolice Inspector Hailey (uncredited) | Police Inspector Hailey (uncredited) |
 Harold GoodwinFire Commissioner (uncredited) | Fire Commissioner (uncredited) |
 John HalloranGuard at Electrocution (uncredited) | Guard at Electrocution (uncredited) |
 Thomas Browne HenryReporter at Electrocution (uncredited) | Reporter at Electrocution (uncredited) |
 Paul MaxeyDonaldson (uncredited) | Donaldson (uncredited) |
 Kenneth PattersonNewspaper Editor (uncredited) | Newspaper Editor (uncredited) |
