Frederick Jaeger

Frederick Jaeger (29 May 1928-18 June 2004 ) appeared in several Doctor Who television stories: as Jano in The Savages, Sorenson in Planet of Evil and Professor Frederick Marius in The Invisible Enemy.

Personal life
A German native, his family fled the country when the Nazis came to power. He gained British citizenship in 1950, though regularly played Germanic characters throughout his career.