Lilla Märta kommer tillbaka eller Grevinnans snedsteg eller Den vilda jakten efter det hemliga dokumentet

David Erikson as Conductor (uncredited) Georg Skarstedt as Pilgren (uncredited) Stig Järrel as Sture Lagerström Benkt-Åke Benktsson as Dr. Bauerbrecht Gunnar Björnstrand as The Captain Frithiof Bjärne as Security Police Officer (uncredited) Svea Holst as Maid (uncredited) Hasse Ekman as Second Lieutenant Svensson Douglas Håge as Attorney Sonne Carl-Gustaf Lindstedt as Strömkvist, Military (uncredited) Artur Rolén as Melander (uncredited) Ernst Brunman as constable Karlsson Charlie Almlöf as Charles-Emile Högquist Tollie Zellman as His wife Brita Borg as Inga Margit Andelius as Miss Synnergren (uncredited) Sven-Axel Carlsson as Young Boy (uncredited) Magnus Kesster as Security Police Officer (uncredited) Hjördis Petterson as Fräulein Schultze Helga Brofeldt as Mrs. Franzén (uncredited)

Lorens Marmstedt Producer Kai Gullmar Original Music Composer Sven Thermænius Director of Photography Bibi Lindström Production Design Sven Lindberg Assistant Director Olle Jacobsson Sound Hasse Ekman Director, Screenplay, Scenario Writer, Dialogue, Lyricist, Original Music Composer, Special Effects Sune Waldimir Music Arranger, Original Music Composer Lennart Wallén Editor