Thomas F. Duffy

Known for

Shameless

The Middle

Grey's Anatomy

Without a Trace

ER

Chicago Hope

Biography

From Wikipedia, the free encyclopedia Thomas Francis Duffy (born November 9, 1955) is a versatile American character actor, writer, musician, and athlete. He is best known for playing hippie Paleontologist Dr. Robert Burke in The Lost World: Jurassic Park and as Sam Moxon, the football loving dad in Varsity Blues.

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