German film, TV and voice actor, the son of a senior insurance inspector. Dux took acting classes in Berlin under the tutelage of drama coach Else Bongers (1901-1993) and made his stage debut at the age of 22 at the Renaissance-Theater. On the screen from 1950, he first appeared as Fenton in an adaptation of Shakespeare's
The Merry Wives of Windsor (1950). After that came featured supporting roles in
Das Haus in Montevideo (1951) with
Curt Goetz, the comedy
Briefträger Müller (1953) with
Heinz Rühmann and in the Defa-produced fantasy
The Singing Ringing Tree (1957) (as the Handsome Prince). From the mid-60's, Dux (nicknamed 'Ecki') was primarily seen in made-for-TV movies and as a series guest actor. He became most popular in the guise of police officers, beginning with his young sergeant in the
Francis Durbridge thriller
Das Halstuch (1962), and, later, as one of the stars of
Polizeifunk ruft (1966) and
Hamburg Transit (1970) (in both series as Detective Superintendant Schlüter). Dux also had a recurring role as attorney Mike Rander in the humorous crime series
Butler Parker (1972).
During the latter stages of his career, Dux became more actively involved as a narrator of radio plays and as a voice actor. He has been the regular German dubbing voice for
Audie Murphy and
Anthony Perkins. He has also synchronized for
Ian McKellen (as Gandalf) in
Peter Jackson's Hobbit-Trilogie, for
Steve Martin in
L.A. Story (1991) and
Father of the Bride (1991) and for
George Peppard in
The A-Team (1983). Among many other thespians he has dubbed, are
Michael Caine,
Charles Dance,
Peter O'Toole,
Michael Gambon and
Albert Finney.