John Lithgow
Kristen Johnston
Paul Giamatti
Dan Hedaya
Allison Janney
Zoe Perry
Laura Linney
Brian Dennehy
Jason Alexander
Christine Baranski
Jane Alexander
Austin Pendleton
Oliver Platt
Bradley Whitford
French Stewart
Denis O'Hare
Michael McKean
Terry Kinney
Hope Davis
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Ian David Lithgow (born February 3, 1972) is an American actor and therapist. He is best known for his work as Leon in the NBC series 3rd Rock from the Sun (1996–2001). He is the son of actor John Lithgow. Wikipedia
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George Clooney
Tom Bower (actor)
Jennifer Lopez