"The title alludes to the popular 1925 song I Lost My Heart in Heidelberg composed by Fred Raymond with lyrics by Fritz Löhner-Beda and Ernst Neubach. The film taps into the nostalgic reputation of Old Heidelberg."
Emil Höfer
as Pastor Schönhoff
Gertrud de Lalsky
as Sophie
Werner Fuetterer
as Rudolf
Mary Parker
as Charolotte
Sylvester Bauriedl
as Fritz Merkelbach
Harry Halm
as Alex Winkler
Karl Platen
as Georg Schröder
Dorothea Wieck
as Klärchen
Viktor Gehring
as Engineer Frank
Carla Färber
as Trude
I.W. Lautsch
as Bornschläger
Maria Meyerhofer
as
Josef Eichheim
as Master tailor Stenglein
Else Kündinger
Frau Heuberger-Schönemann
Georg Irmer
Max Ferner
Writer
Arthur Bergen
Director
Franz Koch
Cinematography
Hans May
Sound