Kar de Mumma was born on August 14, 1904 in Stockholm, Stockholms län, Sweden. He was a writer and actor, known for
En förtjusande fröken (1945),
Turn of the Century (1944) and
Frun tillhanda (1939). He was married to
Margit Rosengren and Marianne Zetterström. He died on July 7, 1997 in Stockholm, Sweden.