(1989) Teen Witch

as Frank Miller

(1963) Captain Newman, M.D.

as Lt. Belden 'Barney' Alderson

(1959) Operation Petticoat

as Ensign Stovall (as Richard Sargent)

(1966) The Ghost & Mr. Chicken

as George Beckett

(1979) Hardcore

as Wes DeJong

(1955) The Beast with a Million Eyes

as Deputy Larry Brewster

(1968) Live a Little, Love a Little

as Harry

(1979) Parts: The Clonus Horror

as Dr. Jameson

(1968) The Private Navy of Sgt. O'Farrell

as Capt. Elwood Prohaska

(1957) Bernardine

as Sanford Wilson

(1958) Mardi Gras

as Dick Saglon

(1965) Fluffy

as Tommy

(1989) Rock-A-Die Baby

as Adam

(1977) Fantasy Island

as Charles Hollander

(1968) The Young Runaways

as Freddy ("Sage")

(1963) For Love or Money

as Harvey Wofford

(1975) Melvin Purvis G-Man

as Thatcher Covington

(1962) That Touch of Mink

as Harry Clark

(1965) Billie

as Matt Bullitt

(1960) The Great Impostor

as Hotchkiss (as Richard Sargeant)

(1956) Love Me Tender

as Confederate Soldier (uncredited)

(1993) Acting on Impulse

as Mr. Randolph

(1991) Frame Up

as Will Curran

(1983) I'm Going to Be Famous

as The Director

(1980) The Gossip Columnist

as Alan Keyes

(1979) The Power Within

as Capt. Ed Holman

(1990) Murder by Numbers

as Patrick Crain

(1988) Twenty Dollar Star

as Mr. Brandon

(1986) The 11th Commandment

as Charles Knight

(2023) Elizabeth Montgomery: A Bewitched Life

as Self/Darrin Stephens (archive footage)

(1984) Murder, She Wrote

as George Selby

(1986) L.A. Law

as Edmund Bates

(1976) Alice

as ---

(1982) Family Ties

as Charlie

(1971) Columbo

as Dick Sargent

(1968) Here's Lucy

as Officer Spencer

(1979) Trapper John, M.D.

as ---

(1984) Down to Earth

as Richard Preston

(1977) The Love Boat

as Father Mike

(1978) Diff'rent Strokes

as ---

(1972) The Streets of San Francisco

as ---

(1975) Baretta

as ---

(1976) Charlie's Angels

as Hugh Morris

(1979) Knots Landing

as Dick Sargent

(1977) Three's Company

as Lloyd Cross

(1955) Gunsmoke

as Bud

(1959) Black Saddle

as Lt. Herndon

(1964) Bewitched

as Darrin Stephens

(1968) Adam-12

as Sidney Roemer

(1972) The Waltons

as ---

(1961) Bus Stop

as ---

(1978) Vega$

as ---

(1968) The Outcasts

as ---

(1964) Daniel Boone

as Reuben Stone

(1975) Switch

as Bill Gambel

(1955) The Millionaire

as Dixon Cooper

(1956) West Point

as ---

(1982) Matt Houston

as ---

(1991) P.S. I Luv U

as ---

(1967) Accidental Family

as ---

(1959) The Alaskans

as ---

(1966) The Rat Patrol

as Lt. Kemper

(1975) Ellery Queen

as ---

(1961) One Happy Family

as ---

(1959) Wichita Town

as ---

(1976) The Tony Randall Show

as Chesley

(1981) Aloha Paradise

as ---

(2001) The Broad Side

as ---

(1987) Mathnet

as Wellworth Watching / Vicious Vinnie Vermin

(1961) Dr. Kildare

as Dr. Paul Willis

(1953) Letter to Loretta

as Billy Simpson

(1966) The Tammy Grimes Show

as ---

(1979) The Dukes of Hazzard

as Sheriff Grady Byrd

(1978) Taxi

as Attorney John Bickers

(1976) Rich Man, Poor Man - Book II

as Eddie Heath

(1964) Daniel Boone

as Andrew Cooper

(1971) McMillan & Wife

as Dr. Jim Vale

(1974) The Six Million Dollar Man

as Bob Crandall

(1963) Bob Hope Presents the Chrysler Theatre

as Dick O'Hara

(1971) Young Dr. Kildare

as Sam Barlow

(1984) Finder of Lost Loves

as Dennis Hodges

(1991) Harry and the Hendersons

as Earl Powers

(1972) The Streets of San Francisco

as Boyd Caldwell

(1976) Charlie's Angels

as Avery

(1965) I Dream of Jeannie

as Norman Cashman

(1962) The Alfred Hitchcock Hour

as Dave Fulton

(1964) Broadside

as Lt. Maxwell Trotter

(1976) Rich Man, Poor Man

as Eddie Heath

(1969) Love, American Style

as Ben

(1969) Love, American Style

as ---