Film & TV List | Role | Media |
 |
| Osmosis Jones (2001) | Tom Colonic (voice) | Movie |
|
| Frasier (1999) | Stephen | TV Show |
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| Channel 99 (1988) | Ron Howard | TV Movie |
|
| Return to Mayberry (1986) | Opie Taylor | TV Movie |
|
| Happy Days (1974–1984) | Richie Cunningham | TV Show |
|
| Fire on the Mountain (1981) | Lee Mackie | TV Movie |
|
| Insight (1975–1981) | n/a | TV Show |
|
| Bitter Harvest (1981) | Ned De Vries | TV Movie |
|
| The Fonz and the Happy Days Gang (1980) | Richie Cunningham | TV Show |
|
| Act of Love (1980) | Leon Cybulkowski | TV Movie |
|
| Laverne & Shirley (1976–1979) | Richie Cunningham | TV Show |
|
| More American Graffiti (1979) | Steve Bolander | Movie |
|
| Grand Theft Auto (1977) | Sam Freeman | Movie |
|
| I'm a Fool (1977) | Andy | TV Movie |
|
| The Shootist (1976) | Gillom Rogers | Movie |
|
| Eat My Dust (1976) | Hoover Niebold | Movie |
|
| Huckleberry Finn (1975) | Huckleberry Finn | TV Movie |
|
| Walt Disney's Wonderful World of Color (1967–1975) | Chris
/
Richie 'Nuthin'' Caldwell
/
Virgil | TV Show |
|
| Locusts (1974) | Donny Fletcher | TV Movie |
|
| The Spikes Gang (1974) | Les | Movie |
|
| The Migrants (1974) | Lyle Barlow | TV Movie |
|
| The Waltons (1974) | Seth Turner | TV Show |
|
| Happy Mother's Day, Love George (1973) | Johnny | Movie |
|
| American Graffiti (1973) | Steve | Movie |
|
| M*A*S*H (1973) | Private Walter | TV Show |
|
| Bonanza (1972) | Ted Hoag | TV Show |
|
| The Smith Family (1971–1972) | Bob Smith | TV Show |
|
| The Bold Ones: The New Doctors (1972) | Cory Merlino | TV Show |
|
| Love, American Style (1972) | Richie Cunningham (segment Love and Happy Days) (segment Love and Happy Days) (segment Love and Happy Days) | TV Show |
|
| The Wild Country (1970) | Virgil Tanner | Movie |
|
| Lassie (1970) | Gary | TV Show |
|
| Headmaster (1970) | Tony Landis | TV Show |
|
| Smoke (1970) | Chris | TV Movie |
|
| Gunsmoke (1969) | Jamie | TV Show |
|
| Gentle Ben (1967–1969) | Jerry
/
Jody Cutler | TV Show |
|
| Lancer (1968–1969) | Turk Caudle
/
Willy | TV Show |
|
| Daniel Boone (1969) | Luke | TV Show |
|
| Land of the Giants (1969) | Jodar | TV Show |
|
| Judd for the Defense (1969) | Phil Beeton | TV Show |
|
| The F.B.I. (1968) | Jess Orkin | TV Show |
|
| Mayberry R.F.D. (1968) | Opie Taylor | TV Show |
|
| The Andy Griffith Show (1960–1968) | Opie Taylor | TV Show |
|
| The Monroes (1967) | Timothy Prescott | TV Show |
|
| I Spy (1966) | Alan Loden | TV Show |
|
| Gomer Pyle, U.S.M.C. (1966) | Opie Taylor | TV Show |
|
| The Big Valley (1965) | Tommy | TV Show |
|
| Village of the Giants (1965) | Genius | Movie |
|
| The Fugitive (1964) | Gus | TV Show |
|
| Dr. Kildare (1964) | Jerry Prentice | TV Show |
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| The Great Adventure (1964) | Daniel Waterhouse | TV Show |
|
| The Eleventh Hour (1963) | Barry Stewart | TV Show |
|
| The Courtship of Eddie's Father (1963) | Eddie Corbett | Movie |
|
| Route 66 (1962) | Chet Duncan | TV Show |
|
| The Music Man (1962) | Winthrop Paroo | Movie |
|
| The New Breed (1962) | Tommy Simms | TV Show |
|
| G.E. True Theater (1959–1961) | Barnaby Baxter
/
Randy | TV Show |
|
| Five Minutes to Live (1961) | Bobby Wilson | Movie |
|
| The Many Loves of Dobie Gillis (1959–1961) | Dan Adams
/
Georgie
/
Little Boy with Ray Gun | TV Show |
|
| Pete and Gladys (1960) | Tommy | TV Show |
|
| The Red Skelton Hour (1960) | Joey | TV Show |
|
| The Danny Thomas Show (1960) | Opie Taylor | TV Show |
|
| The DuPont Show with June Allyson (1959) | Wim Wegless | TV Show |
|
| Twilight Zone (1959) | Wilcox Boy | TV Show |
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| Five Fingers (1959) | n/a | TV Show |
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| The Journey (1959) | Billy Rhinelander | Movie |
|