Gertrude Welcker was a German stage and screen actress. From 1916 to 1919 she performed in Max Reinhardt theaters, Deutsches Theater Berlin, Kammerspiele, and Volksbühne. She made her film debut in "Hans Trutz in the Land of Plenty" in 1917. She ended her film career after 64 features in 1925. She stayed on a couple of years in the theatre. In 1941 she became a Red Cross nurse and escaped to Sweden as Gertud Carlsund.