"Åsa-Nisse has a bad back and when he visits the doctor he gets an experimental medicine for horses by mistake. Suddenly Åsa-Nisse has super strengths and becomes an unbeatable athlete."
John Elfström
as Åsa-Nisse
Artur Rolén
as Klabbarparn
Helga Brofeldt
as Eulalia
Mona Geijer-Falkner
as Kristin
Gustaf Lövås
as Sjökvist
Ulla-Carin Rydén
as Elsa
Gösta Prüzelius
as Klöverhage
Gösta Bernhard
as Stjärnborg
Arne Källerud
as Car salesman
Wiktor Andersson
as Knohultaren
John Norrman
as Man
Sven Holmberg
as Sergeant
Arthur Fischer
as Postmaster
John Melin
as Post office customer
Ulla-Bella Fridh
as Greta
Evert Granholm
as bilhandlarens kompanjon
Alf Östlund
as Speta-Pelle
Rune Stylander
as Tjuv
Jan-Olof Rydqvist
as Putte, tjuv
Bertil Boo
as hemvärnsman
Jarl Hamilton
as löjtnant
Gösta Krantz
as busschaufför
Åke Engerstedt
as nyhetsuppläsaren i radio (endast röst)
Ragnar Frisk
Director
Lennart Palme
Screenplay
Production Manager
Sten Aaröe
Cinematography
Sven Rüno
Original Music Composer
Walter Larsson
Bernt Duroj
Art Direction
Bengt Eriksson
Editor
Ann-Marie Persson
Script Supervisor
Harry Malmstedt
Unit Production Manager
Åke W. Borglund
Still Photographer
Per-Olov Westerberg
Makeup Department Head
Wigmaker
Stig Cederholm
Writer
Wilhelm Aring
Sound