A young prince falls in love with a beautiful barmaid while at university in old Heidelberg.
| Actor | Role |
|---|---|
 Ramon NovarroPrince Karl Heinrich | Prince Karl Heinrich |
 Norma ShearerKathi | Kathi |
 Jean HersholtDr. Jüttner | Dr. Jüttner |
 Gustav von SeyffertitzKing Karl VII | King Karl VII |
 Philippe De LacyHeir Apparent | Heir Apparent |
 Edgar NortonLutz | Lutz |
| BBobbie MackKellermann | Kellermann |
 Edward ConnellyCourt Marshal | Court Marshal |
 Otis HarlanOld Ruder | Old Ruder |
| JJohn S. PetersStudent | Student |
 George K. ArthurDrunk Student (uncredited) | Drunk Student (uncredited) |
 Lionel BelmoreStout Student (uncredited) | Stout Student (uncredited) |
 Robert BrowerMinister to the King (uncredited) | Minister to the King (uncredited) |
 Edythe ChapmanYoung Karl's Nanny (uncredited) | Young Karl's Nanny (uncredited) |