- Ferdinand von Alten
- Joe Deebs, Detective
- Magnus Stifter
- Jonathan Walpole
- Hermann Böttcher
- Morris Harryman
- Gertrude Hoffman
- Regina Walpole
- Oscar Marion
- Rodger Cleveland, Herrenreiter
- Uschi Elleot
- Carry Cleveland
- Alfred Gerasch
- O'Brien
- Theodor Burghardt
- (as Theodor Burgarth)
