Film & TV List | Role | Media |
 |
| The Kelsey Grammer Bill Zucker Comedy Hour (2010) | n/a | TV Movie |
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| Finish Line (2008) | Frank Chase | TV Movie |
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| Van Stone: Tour of Duty (2006) | Lt. Perry | TV Movie |
|
| Arrested Development (2005) | Bob Loblaw | TV Show |
|
| Superbabies: Baby Geniuses 2 (2004) | Stan Bobbins | Movie |
|
| Dumb Luck (2003) | Steve Hitchcock | Movie |
|
| Face Value (2002) | Barry Rengler | Movie |
|
| Italian Ties (2001) | Richie | Movie |
|
| The Bread, My Sweet (2001) | Dominic | Movie |
|
| Touched by an Angel (2001) | Frank | TV Show |
|
| Very Mean Men (2000) | Paulie Minetti | Movie |
|
| Veronica's Closet (2000) | Kevin | TV Show |
|
| Bar Hopping (2000) | Damian | TV Movie |
|
| Detonator (1998) | Zack Ramses | Movie |
|
| The Nanny (1998) | Dr. Frankie Cresitelli | TV Show |
|
| Rewind (1997) | Rob DiPaulo | TV Show |
|
| Can't Hurry Love (1996) | Matt | TV Show |
|
| Mixed Blessings (1995) | Charlie Winwood | TV Movie |
|
| Diagnosis Murder (1993–1995) | Dr. Jack Stewart | TV Show |
|
| Jack's Place (1993) | Woody B. King | TV Show |
|
| Baby Talk (1991–1992) | James Halbrook | TV Show |
|
| Perry Mason: The Case of the Fatal Fashion (1991) | Asst. D.A. Peter Whelan | TV Movie |
|
| Charles in Charge (1984–1990) | Charles | TV Show |
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| Full House (1989) | Pete Bianco | TV Show |
|
| Out of This World (1988–1989) | Prince Cornelius
/
Scott Gold | TV Show |
|
| My Two Dads (1988) | Scott Cameo | TV Show |
|
| I Love N.Y. (1987) | Mario Cotone | Movie |
|
| The Truth About Alex (1986) | Brad Stevens | TV Movie |
|
| Alice in Wonderland (1985) | Pat - The Pig | TV Movie |
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| The Fall Guy (1985) | Merrick Thorson | TV Show |
|
| Happy Days (1977–1984) | Chachi Arcola | TV Show |
|
| CBS Schoolbreak Special (1984) | Buddy Elder | TV Show |
|
| Hotel (1983) | Nick Tomasino | TV Show |
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| Joanie Loves Chachi (1982–1983) | Chachi Arcola | TV Show |
|
| Zapped! (1982) | Barney Springboro | Movie |
|
| Gemini (1982) | Francis Geminiani | TV Movie |
|
| Senior Trip (1981) | Roger Ellis | TV Movie |
|
| ABC Afterschool Specials (1980–1981) | Jack Melon
/
Johnny Jay | TV Show |
|
| Here's Boomer (1980) | Ronald | TV Show |
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| Goodtime Girls (1980) | Tommy | TV Show |
|
| Foxes (1980) | Brad | Movie |
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| The Boy Who Drank Too Much (1980) | Buff Saunders | TV Movie |
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| Skatetown, U.S.A. (1979) | Richie | Movie |
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| Fantasy Island (1979) | Rob 'Robbie' Collins | TV Show |
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| Who's Watching the Kids (1978–1979) | Frankie 'the Fox' Vitola | TV Show |
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| The Runaways (1978) | Tommy | TV Show |
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| The Love Boat (1977) | Graham D. Pickrel II | TV Show |
|
| Blansky's Beauties (1977) | Anthony DeLuca | TV Show |
|
| NBC Special Treat (1976) | Julius | TV Show |
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| Bugsy Malone (1976) | Bugsy | Movie |
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Film & TV List | Role | Media |
|
| Entertainment Tonight (2007–2010) | Himself | TV Show |
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| Confessions of a Teen Idol (2009) | Himself - Host | TV Show |
|