He is an American actor who was born in Bree, Belgium, to American parents of Polish, Irish, and Italian descent on April 30, 1975. He made his acting debut in the 1987 CBS miniseries Murder Ordained, followed by National Lampoon's Christmas Vacation (1989). He's best known for...Read more his roles in the popular sitcoms Roseanne, and The Big Bang Theory.
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He is an American actor who was born in Bree, Belgium, to American parents of Polish, Irish, and Italian descent on April 30, 1975. He made his acting debut in the 1987 CBS...Read more miniseries Murder Ordained, followed by National Lampoon's Christmas Vacation (1989). He's best known for his roles in the popular sitcoms Roseanne, and The Big Bang Theory.