Trailer
 | Grock as Adrien Wettach, aka 'Grock' |
 | Suzy Prim as Countess Barinoff |
 | Héléna Manson as Aunt Pauline |
 | Alfonso Bovino as Italian child Alphonso |
 | Charles Lemontier as Mr. Durand |
 | Maurice Régamey as Bourquain |
| Nadine Rousseau as Madame Wettach |
| Monique Marqueret as Adelaide, his daughter |
 | Georges Chamarat as Father Wattach |
| Ted Rémy as Adrian, young man |
| Adrien Osperi as Adrien, child |
| Peter Graham as Lord Peter |
 | Axel Scholtz as Kurt Heller |
| Jean-Jacques Domenge as Jeannot |
 | Paul Oettly as Wittzec |
| Philipp Gruß as Roberto Wittez / Wetzel |
| Camille Gari as Roberta |
 | Marcel Pérès as Fracassa |
| Louis Maïss as Partner of Grock / Antonek |
| Henry Cassidy as Self |
| Jacques Marcerou |
 | Louis de Funès as Spectator (uncredited) |
 | Made Siamé as Waitress (uncredited) |
 | Nicolas Amato as Circus Valet (uncredited) |
 | Marfa d'Hervilly as Spectator (uncredited) |
 | Yvonne Dany as (uncredited) |
 | Gil Delamare as (uncredited) |
 | Jo Dest as German Traveler (uncredited) |
| Alwin Emmert as Kreinbuller, farmer (uncredited) |
| Arsenio Freignac as Serge, Countess' driver (uncredited) |
 | Albert Malbert as Peasant (uncredited) |
 | Alexandre Mihalesco as Clown Auguste (uncredited) |
| Frédéric Moriss as Old motorist (uncredited) |
 | Marcel Rouzé as Circus driver (uncredited) |
| Eliane Salmon as (uncredited) |
| Evelyne Salmon as (uncredited) |
| Raymond Vernière as Professor (uncredited) |
 | Roger Vincent as Admirer (uncredited) |
| Writing | |
| Bluette Christin-Falaize | Screenplay |
Art | |
| Serge Piménoff | Set Decoration |
Writing | |
| Nino Constantini | Screenplay |
Camera | |
| Nikolai Toporkoff | Director of Photography |
Directing | |
| Pierre Billon | Director |
