Cast
- Corrado Pani as Mark Paxton
- Delia Boccardo as Diana Stewart
- Sergio Rossi as Geoffrey Stewart
- Alberto Lupo as Ispettore John Clay
- Cesare Barbetti as Paul Cooper
- Manlio Guardabassi as Ispettore Peter Booth
- Adriana Asti as Glenda Cooper
- Renzo Montagnani as Bill Grant
- Nora Ricci as Kitty Ryan