Dennis William Quaid is an American actor. He portrayed Phil Lawver in Are You in the House Alone? (1978), Michael "Mike" Brody in Jaws 3-D (1983), Alex Gardner in Dreamscape (1984), Corporal Gallo in Pandorum (2009), Bob Hanson in Legion (2010), Charlie Peck in The Intruder (2019), and Harvey in The Substance (2024).
In television, he portrayed Michael Lennox in Fortitude (2017).
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