 | Pascal Lamorisse als Pascal, the Little Boy |
 | Georges Sellier als The Irritated Schoolmaster |
 | Vladimir Popov als A Tenant |
| Paul Perey als Pascal's Father |
| Renée Marion als Pascal's Mother |
| Sabine Lamorisse als Little Girl with Blue Balloon |
| Michel Pezin |
 | Renaud als A Twin in Red |
 | David Séchan als A Twin in Red |
| Albert Lamorisse | Director |
| Albert Lamorisse | Writer |
| Albert Lamorisse | Producer |
| Maurice Le Roux | Original Music Composer |
| Edmond Séchan | Director of Photography |
| Pierre Gillette | Editor |
| Pierre Vuillemin | Sound |
| Michel Pezin | Production Manager |
| Edmond Agabra | Assistant Director |
| André Fontaine | Assistant Director |
| Pierre Goupil | Assistant Camera |
| Pierre Goupil | Camera Operator |
| Reinie Bource | Script Supervisor |
| Lise Haas | Production Secretary |
| Claire Viroulaud | Publicist |
