Hon trodde det var han

Åke Claesson as bokförläggaren Sture Baude as Farfar Tom Walter as Fimpen Wiktor Andersson as Snoken John Elfström as poliskonstapel Gunnel Wadner as ung gäst på fjällhotellet Naemi Briese as Carmen Wilma Malmlöf as Hulda Marianne Löfgren as fröken Nyström Siegfried Fischer as Tjacket John Norrman as Svängbulten Anne-Margrethe Björlin as Elsa Selling David Erikson as portiern på fjällhotellet Harry Ahlin as Smockan Edvin Adolphson as Mark Storm / Kurret Carl Hagman as major Stålhammar Greta Tegnér as tågpassagerare Arne Lindblad as tågpassagerare Agda Helin as majorskan Artur Cederborgh as Kisen Carl-Gunnar Wingård as ingenjör Berglund Hilding Gavle as Svenska Akademiens sekreterare Margareta Fahlén as telefonist på fjällhotellet Ragnar Widestedt as fjällhotellets direktör Carl Deurell as Bengtsson John Melin as Bomben Paul Hagman as mannen som köper tågbiljett

Bertil Duroj Production Design Karl-Erik Alberts Director of Photography Sven Rüno Original Music Composer Edvin Adolphson Writer Sven Stolpe Writer Carlo Keil-Möller Writer Per-Axel Branner Director