He later appeared as lonely teenager Sterling North in the Disney film Rascal (1969). He played Teft in the film Bless the Beasts and Children (1971).\n', '

In the 1990s, he performed the role of Lennier in all five seasons of the syndicated sci-fi TV series Babylon 5, and narrated A&E Network\'s Emmy Award-winning series Biography. \n', '

Mumy is also known for his musical career as a guitarist, singer, songwriter and composer: he is an Emmy nominee for original music in Adventures in Wonderland (1991). As a musician Mumy performs as a solo artist, an occasional guest performer, and as half of the duo Barnes & Barnes.\n', '

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