Anthony Richmond schemes to get the fortune of his tyrannical, wheelchair-using tycoon uncle Charles Richmond by persuading Maria, a nurse he employs, to marry him.
| Actor | Role |
|---|---|
 Gina LollobrigidaMaria Marcello | Maria Marcello |
 Sean ConneryAnthony Richmond | Anthony Richmond |
 Ralph RichardsonCharles Richmond | Charles Richmond |
 Alexander KnoxDetective Inspector Lomer | Detective Inspector Lomer |
 Johnny SekkaThomas | Thomas |
 Peter MaddenYacht Captain | Yacht Captain |
 Danny DanielsFenton | Fenton |
 Laurence HardyBaines | Baines |
 Michael GoodliffeSolicitor | Solicitor |
 André MorellJudge | Judge |
 Noel HowlettAssistant Solicitor | Assistant Solicitor |
 Douglas WilmerDr. Murray | Dr. Murray |
| RRobert BruceJohn (uncredited) | John (uncredited) |
 Georgina CooksonGuest at Villa Salon (uncredited) | Guest at Villa Salon (uncredited) |
| MMichael CorcoranThe Cook (uncredited) | The Cook (uncredited) |
 George CurzonSecond Executive (uncredited) | Second Executive (uncredited) |
 Gilda DahlbergGuest at Villa Salon (uncredited) | Guest at Villa Salon (uncredited) |
 A. J. BrownThird Executive (uncredited) | Third Executive (uncredited) |