| Edgar Wallace |
– Playwright |
| Thomas Thomassen |
– Direction |
| Rahe Raheny |
– Stage design |
| Johan Barclay-Nitter |
– Actor (Benny) |
| Karl Bergmann |
– Actor (Maurice Meister, sakfører) |
| Kolbjørn Buøen |
– Actor (Centralinspektør Bliss) |
| Aagot Ekeby |
– Actor (Cora Ann Milton) |
| Frithjof Fearnley |
– Actor (Inspektør Wembury) |
| Victor Ivarson |
– Actor (Politisersjant Carter) |
| William Ivarson |
– Actor (Samuel Hackitt, forheng. straffange) |
| Bjarne Koht |
– Actor (Detektivkonstabel Brown) |
| Fritzie Koht |
– Actor (Mrs. Hackitt) |
| Leif Larsen |
– Actor (Politikonstabel Field) |
| Ella Lie |
– Actor (Mary Lenley) |
| Martin Linge |
– Actor (Oberst Walford) |
| Sverre Næss |
– Actor (Doktor Lomond, politilæge) |
| Per Schrøder Nielsen |
– Actor (John Lenley) |
| Alf Zetterholm |
– Actor (Atkins) |
