Character actor, trained at the Reicherschen Hochschule für dramatische Kunst in 1918 and subsequently engaged on various Berliner stages, including a long residency at the Staatstheater from 1924 to 1945. Dunskus acted in support in many Ufa productions of the 1930's and 40's. After the war, he became a sought-after voice actor for motion picture dubbing and radio drama.