Un pequeño jefe mafioso decide alquilar los servicios de un peculiar asesino profesional para acabar con un capo rival.
 | Richard Harris | Harry Crown |
 | Edmond O'Brien | Tío Frank Kelly |
| Bradford Dillman | Big Eddie |
| Ann Turkel | Buffy |
| Constance Ford | Dolly |
| Zooey Hall | Tony |
| Kathrine Baumann | Baby |
| Janice Heiden | Clara |
| Max Kleven | North |
| Karl Lukas | Guarda |
| Tony Brubaker | Burt |
| Jerry Summers | Shoes |
| Roy Jenson | Jake |
| Chuck Connors | Marvin 'Claw' Zuckerman |
