How old was Theo Lingen in Der Doppelgänger?

Georg AlexanderGeorg Alexander was 45 in Der Doppelgänger as 'Harry Salsbury'.

Birthday: Tue, Apr 03 1888 –
Tue, Oct 30 1945

Camilla HornCamilla Horn was 30 in Der Doppelgänger as 'Jenny Miller'.

Birthday: Sat, Apr 25 1903 –
Wed, Aug 14 1996

Theo LingenTheo Lingen was 30 in Der Doppelgänger as 'Detektiv Superbus'.

Birthday: Tue, Jun 09 1903 –
Fri, Nov 10 1978

Fritz OdemarFritz Odemar was 44 in Der Doppelgänger as 'Butler Trentner'.

Birthday: Fri, Jan 31 1890 –
Fri, May 06 1955

Gerda MaurusGerda Maurus was 30 in Der Doppelgänger as 'Germaine de Roche'.

Birthday: Tue, Aug 25 1903 –
Wed, Jul 31 1968

E.W. EmoE.W. Emo was 35 in Der Doppelgänger as 'Director'

Birthday: Mon, Jul 11 1898 –
Tue, Dec 02 1975

Curt J. BraunCurt J. Braun was >> in Der Doppelgänger as 'Screenplay'

Birthday: Unknown Birthday

Henry KosterHenry Koster was 28 in Der Doppelgänger as 'Screenplay'

Birthday: Mon, May 01 1905 –
Wed, Sep 21 1988

Peter OrtPeter Ort was >> in Der Doppelgänger as 'Screenplay'

Birthday: Unknown Birthday

Edgar WallaceEdgar Wallace would have been no older than 56 in Der Doppelgänger as 'Novel'

Birthday: Thu, Apr 01 1875 –
Wed, Feb 10 1932