| Ernst Marischka |
– Playwright |
| Sigurd Magnussøn |
– Direction |
| Bruno Granichstaedten |
– Composer |
| Adolf Egeberg |
– Stage design |
| Lars Egge |
– Actor (Alex Doroschinsky, mekaniker, ansat hos Walsh & Jefferson) |
| Einar Engebretsen |
– Actor (Redbrock, journalist) |
| Martin Hermann |
– Actor (Hunter, verksmester, ansat hos Walsh & Jefferson) |
| Trygve Jensen |
– Actor (Fred, Jollys venn) |
| Arne Johansen |
– Actor (Jolly Jefferson, Walsh's kompagnon) |
| Thorleif Klausen |
– Actor (En kontrollør) |
| Svein Lysell |
– Actor (Brown, detektiv / Escabonier, impresario) |
| Birger Løvaas |
– Actor (John, tjener hos Walsh) |
| Tutta Rolf |
– Actor (Dolly Marbanks, kontordame, ansat hos Walsh & Jefferson) |
| Ulf Selmer |
– Actor (John Walsh, automobilfabrikant) |
| Alf Sommer |
– Actor (Harry, Jollys venn) |
| Ebon Strandin |
– Actor (Nadja Nadjakowska) |
| Borghild Thomsen |
– Actor (Jessie, paaklæderske hos Nadja) |
| Ragnvald Wingar |
– Actor (Stepanoff, polititolk) |
| Hans Backe |
– Main producer |
| Thorleif Klausen |
– Main producer |
