Axel Frische as Kriminalassistent Bloch

Elith Pio as Kriminalassistent Steffensen

Ellen Margrethe Stein as Jenny Frank

Sigurd Langberg as Redaktør Philipsen

Asbjørn Andersen as Frugtplantageejer Steen

Betty Vølund as Sonja Frank

Jens Asby as Otto Frank

Carl Heger as Gartnermedhjælper Ernst Hansen

Ejner Federspiel as Carl Frank

Henry Nielsen as Betjent Ludvigsen

Tove Bang as Berta

Ingeborg Pehrson as Fru Hoffmann

Aage Foss as Arrestforvarer Olsen

Bjørn Spiro as Journalist Nielsen

Jens Kjeldby as Gartnermedhjælper Anton

Alex Suhr as Barber

Bjørn Watt-Boolsen as Kriminalassistent