Générique complet
Mästerdetektiven lever farligt
Leif Nilsson
Kalle Blomkvist
Sven Almgren
Anders Bengtsson
Birgitta Hörnblad
Eva-Lotta Lisander
RP
Richard Paulson
Sixten
LS
Lasse Starck
Benka
ST
Sten Thunborg
Jonte
Sigge Fürst
Policeman Björk
Nils Hallberg
Gren's Debtor
Georg Skarstedt
Karl August Gren
Siv Ericks
Eva-Lotta's Mother
Erik Strandmark
Eva-Lotta's Father
John Norrman
Fredriksson
Ragnar Arvedson
Crime Commissioner Berg
Hjördis Petterson
Mrs. Karlsson
Carl-Axel Elfving
Journalist
Birger Lensander
Sixten's Father
Eivor Landström
Sixten's Mother
Bengt Blomgren
Doctor Forsberg
