Father-and-son lion tamers, Rabbas and Léo share a mistress - Rosita, the " lovely bitch " of the film's title. She is as wild as their lionesses and, in a single night the father is injured and the son attempts suicide. Only when Rosita leaves the circus can things get back to normal.
| Actor | Role |
|---|---|
 Gabriel GabrioRabbas | Rabbas |
| GGina ManèsRosetta | Rosetta |
 Paulo QuevedoLéo | Léo |
 Simone GenevoisNana | Nana |
 Gil ClaryNot listed | Not listed |
| JJouvianoNot listed | Not listed |
| GGeorges MartelNot listed | Not listed |
 Georges PaulaisNot listed | Not listed |