Mars had a longtime career as a voice actor during his four-decade-long career. He voiced Grandpa Longneck in many installments of The Land Before Time series, which ran theatrically and on television as well as on video.
Born in Chicago on April 14, 1936, Mars voiced King Triton in Disney’s 1989 film The Little Mermaid and its 2000 direct-to-video sequel, The Little Mermaid II: Return to the Sea. Also in animated films, he was Professor Screweyes in We’re Back! A Dinosaur’s Story (1993) and King Colbert in Thumbelina (1994).
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