(2007) The Invincible Iron Man

as Howard Stark (voice)

(2021) Candy Coated Christmas

as Fred Gallant

(1997) Scorned 2

as Dr. Greenfield

(1965) My Blood Runs Cold

as Owen Farley

(1971) O'Hara, United States Treasury: Operation Cobra

as Capt. Shafer

(1980) Tourist

as Pepi Virgil

(1985) Code Name: Foxfire

as Larry Hutchins

(2017) David's Dinosaur

as Professor Henry Longbottom

(2020) The Story of Soaps

as Self

(1977) Once Upon a Brothers Grimm

as Prince Charming

(1978) Mitzi... What's Hot, What's Not

as Self

(1970) There Was a Crooked Man...

as Deputy

(1984) Murder, She Wrote

as Harrison Fraser III

(1980) Magnum, P.I.

as Roland Martine

(1976) Alice

as ---

(1982) Family Ties

as Tuxedo Man

(1977) CHiPs

as ---

(1982) Remington Steele

as Norman Austin

(1979) Trapper John, M.D.

as ---

(1986) L.A. Law

as Barry Graham

(1981) Simon & Simon

as ---

(1978) Diff'rent Strokes

as ---

(1985) Moonlighting

as Robert

(1984) Highway to Heaven

as ---

(1981) Dynasty

as ---

(1981) Hill Street Blues

as ---

(1982) Hotel

as ---

(1982) Newhart

as ---

(1977) Three's Company

as Alan

(1979) Hart to Hart

as ---

(1986) Sidekicks

as ---

(1965) Mister Roberts

as ---

(1987) The Bold and the Beautiful

as Eric Forrester

(1982) Matt Houston

as ---

(1986) Blacke's Magic

as ---

(1965) Hank

as ---

(1985) Code Name: Foxfire

as Larry Hutchins

(2001) Good Day Live

as Self

(1983) Masquerade

as ---

(1985) Amazing Stories

as emcee

(1985) Amazing Stories

as Jerry Lane

(1977) Three's Company

as Doug Cooper

(1973) The Young and the Restless

as Eric Forrester

(1993) Acapulco H.E.A.T.

as Lyle Decker

(1974) Dinah!

as Self

(1976) The Rear Guard

as Don Crawford

(1977) The Love Boat

as Mark Bridges

(1980) Magnum, P.I.

as Nolan Atherton/F. Scott Fitzgerald