 Humphrey BogartGlenn Griffin | Glenn Griffin |
 Fredric MarchDaniel C. Hilliard | Daniel C. Hilliard |
 Arthur KennedyDeputy Sheriff Jesse Bard | Deputy Sheriff Jesse Bard |
 Martha ScottEleanor 'Ellie' Hilliard | Eleanor 'Ellie' Hilliard |
 Dewey MartinHal Griffin | Hal Griffin |
 Gig YoungChuck Wright | Chuck Wright |
 Mary MurphyCynthia 'Cindy' Hilliard | Cynthia 'Cindy' Hilliard |
 Richard EyerRalph Hilliard | Ralph Hilliard |
 Robert MiddletonSam Kobish | Sam Kobish |
 Bert FreedTom Winston | Tom Winston |
 Ray CollinsSheriff Masters | Sheriff Masters |
 Whit BissellFBI Agent Carson | FBI Agent Carson |
 Ray TealState Police Lt. Fredericks | State Police Lt. Fredericks |
 Walter BaldwinGeorge Patterson | George Patterson |
 Edmund CobbMr. Walling | Mr. Walling |
 Ann DoranMrs. Walling | Mrs. Walling |
 Beverly GarlandMiss Swift | Miss Swift |
 Helen KleebMiss Wells | Miss Wells |
 Ralph DumkeClint | Clint |
 Pat FlahertyDutch | Dutch |
| RRic RomanSal | Sal |
 Burt MustinCarl | Carl |
| LLouis LettieriBucky Walling | Bucky Walling |
 Paul E. BurnsChef at Al's Dining Room | Chef at Al's Dining Room |
 John BensonBellboy | Bellboy |
 Joe FlynnMotorist Hijacked by Hal | Motorist Hijacked by Hal |
 Donald KerrBarkeeper | Barkeeper |
 James O'HaraGas Station Attendant | Gas Station Attendant |
 Alan ReedDetective (uncredited) | Detective (uncredited) |
 Don HaggertyDetective (uncredited) | Detective (uncredited) |
