 Sydney GreenstreetJerome K. Arbutny | Jerome K. Arbutny |
 Geraldine FitzgeraldCrystal Shackleford | Crystal Shackleford |
 Peter LorreJohnny West | Johnny West |
 Joan LorringIcey Crane | Icey Crane |
 Robert ShayneBertram Fallon | Bertram Fallon |
 Marjorie RiordanJanet Elliott | Janet Elliott |
 Arthur ShieldsProsecutor | Prosecutor |
 Rosalind IvanLady Rhea Beladon | Lady Rhea Beladon |
 John AlvinJunior Clerk | Junior Clerk |
 Peter WhitneyTimothy Delaney aka Gabby | Timothy Delaney aka Gabby |
 Alan NapierDavid Shackleford | David Shackleford |
 Clifford BrookeSenior Clerk | Senior Clerk |
 Doris LloydMrs. Proctor | Mrs. Proctor |
| NNorman AinsleyMr. Giesing (uncredited) | Mr. Giesing (uncredited) |
| EEdward BibyMan on the Street (uncredited) | Man on the Street (uncredited) |
| BBenny BurtDrunken Stranger (uncredited) | Drunken Stranger (uncredited) |
| JJohn BurtonNarrator (uncredited) | Narrator (uncredited) |
 Woody ChamblissMan in Pub (uncredited) | Man in Pub (uncredited) |
| TTom ColemanPub Patron (uncredited) | Pub Patron (uncredited) |
 Alec CraigMan on Park Bench (uncredited) | Man on Park Bench (uncredited) |
 Cyril DelevantiStockbroker (voice) (uncredited) | Stockbroker (voice) (uncredited) |
| LLeslie DenisonDetective (uncredited) | Detective (uncredited) |
 Creighton HaleMan in Pub (uncredited) | Man in Pub (uncredited) |
| SSam HarrisMagistrate (uncredited) | Magistrate (uncredited) |
 Holmes HerbertSir Robert (uncredited) | Sir Robert (uncredited) |
| KKeith HitchcockDonald Fry (uncredited) | Donald Fry (uncredited) |
 Leyland HodgsonPolice Inspector in Pub (uncredited) | Police Inspector in Pub (uncredited) |
 Olaf HyttenPrison Turnkey (uncredited) | Prison Turnkey (uncredited) |
 Fred KelseyMan on the Street / Man in Pub (uncredited) | Man on the Street / Man in Pub (uncredited) |
 Colin KennyAlfred, Innkeeper / Bartender (uncredited) | Alfred, Innkeeper / Bartender (uncredited) |
