Only a British cabdriver's (Richard Attenborough) wife (Cathy O'Donnell) and lawyer (Derek Farr) believe him innocent of killing a little girl.
| Actor | Role |
|---|---|
 Richard AttenboroughThomas Leslie Manning | Thomas Leslie Manning |
 Cathy O'DonnellJill Manning | Jill Manning |
 Derek FarrPeter Tanner | Peter Tanner |
 Ian HunterGeoffrey Tanner | Geoffrey Tanner |
 Maurice DenhamHorace Clifford | Horace Clifford |
 Bruce SetonDetective Chief Inspector | Detective Chief Inspector |
| LLily KannMrs. Adeline Zunz | Mrs. Adeline Zunz |
 Harry WelchmanJustice Harrington | Justice Harrington |
 Kynaston ReevesMunro | Munro |