Dietmar Schönherr

as Johann Johannsen

as Self

as Martl

as Dr. Meyer

as Werner Kleist

as Self (1 episode)

as Professor Paul Hermes

as Professor Georg Riegler

as Dr. Gussenbauer

as Robert Rufer

as Friedrich Mertens

as Friedrich Ewersbusch (1 episode)

as Gustave (2 episodes)

as Self (2 episodes)

as Cliff Allister McLane (archive footage)

as Dr. Friedrich Maertens

as Rechtsanwalt Herz

as Arnold (2 episodes)

as Jon Kamphoven

as Martin Bergmann (1 episode)

as Lord Kerrymore

as Self (1 episode)

as Self (1 episode)

as Self (2 episodes)

as Juan