Hjalmar Davidsen
Director
Sven Elvestad
Writer
Louis Larsen
Director of Photography
Gunnar Sommerfeldt
Oliver Swift, kriminalist
Hugo Bruun
Henry Mill, Swifts medhjælper
Ingeborg Bruhn Bertelsen
Kitty Williams
Thorleif Lund
Otto Krause
Elsa Segerstrøm
Cecilie Krause