(1961) Bloodlust!

as Johnny Randall

(1976) The Boy in the Plastic Bubble

as Johnny Lubitch

(1988) A Very Brady Christmas

as Mike Brady

(1968) Star!

as Charles Fraser

(1981) Death of a Centerfold: The Dorothy Stratten Story

as David Palmer

(1974) Pray for the Wildcats

as Paul McIlvain

(1980) Casino

as Darius

(1978) No Prince for My Cinderella

as David McKay

(1981) The Brady Girls Get Married

as Mike Brady

(1972) Haunts of the Very Rich

as Reverend John Fellows

(1967) Hurry Sundown

as Lars Finchley

(1973) The World of Sid & Marty Krofft at the Hollywood Bowl

as Audience member (uncredited)

(1977) Kit Carson and the Mountain Men

as Capt. John C. Fremont

(1991) Prime Target

as Harrington

(1975) The Secret Night Caller

as Freddy Durant

(1978) Bud and Lou

as Alan Randall

(1977) SST: Death Flight

as Captain Jim Walsh

(1971) The City

as Sealy Graham

(1976) Lanigan's Rabbi

as Morton Galen

(1985) International Airport

as Carl Roberts

(1969) The Maltese Bippy

as Lt. Tim Crane

(1995) Brady Bunch Home Movies

as (archival footage)

(1968) Journey Into Darkness

as Hank Prentiss

(1973) Snatched

as Frank McCloy

(1957) Pal Joey

as Boyfriend (uncredited)

(1977) Love Boat II

as Stephen Palmer

(1980) Conquest of the Earth

as Dr. Donald Mortinson

(1976) Nightmare in Badham County

as Supt Dancer

(1979) Love's Savage Fury

as Cmdr. Marston

(1979) Mandrake

as Arkadian

(1976) Revenge for a Rape

as Sheriff Paley

(1980) Nurse

as Dr. Kenneth Rose

(1973) The Man Who Could Talk to Kids

as Tom Lassiter

(1979) The Seekers

as Daniel Clapper

(1977) The Hunted Lady

as Dr. Arthur Sills

(1958) The Hunters

as Jackson

(1976) Law and Order

as Aaron Levine

(1973) Intertect

as Blake Hollister

(1978) Thou Shalt Not Commit Adultery

as Jack Kimball

(1982) Night of 100 Stars

as Self

(1984) Murder, She Wrote

as Jackson

(1966) Family Affair

as ---

(1977) The Love Boat

as Barney Mason

(1968) Hawaii Five-O

as Matthew Meighan

(1969) The Brady Bunch

as Mike Brady

(1972) The Streets of San Francisco

as ---

(1976) Charlie's Angels

as Glenn Staley

(1967) Mannix

as ---

(1982) Hotel

as ---

(1968) The Mod Squad

as ---

(1969) Medical Center

as ---

(1975) Wonder Woman

as The Falcon

(1987) Jake and the Fatman

as ---

(1966) Mission: Impossible

as ---

(1980) Galactica 1980

as Dr. Donald Mortinson

(1984) Cover Up

as ---

(1984) Hunter

as Judge Unger

(1989) Free Spirit

as ---

(1984) Crazy like a Fox

as ---

(1974) Harry O

as ---

(1978) Vega$

as ---

(1988) Day by Day

as ---

(1990) The Bradys

as Mike Brady

(1977) Lucan

as ---

(1970) McCloud

as ---

(1961) The Defenders

as Kenneth Preston

(1982) Matt Houston

as ---

(1963) Bob Hope Presents the Chrysler Theatre

as ---

(1958) Bronco

as Tom Fuller

(1967) Hondo

as ---

(1978) The Paper Chase

as ---

(1977) The Brady Bunch Hour

as Mike Brady

(1961) Dr. Kildare

as Judd Morrison

(1981) Nurse

as Dr. Adam Rose

(1961) Tallahassee 7000

as ---

(1977) Roots

as Dr. William Reynolds

(1980) Scruples

as Josh Hillman

(1984) Murder, She Wrote

as Truman Calloway, Esq.

(1959) Men Into Space

as Russell Smith

(1968) Hawaii Five-O

as Richard Slade

(1961) The Mike Douglas Show

as Self

(1984) Finder of Lost Loves

as Tim Sanderson

(1977) The Love Boat

as Frank McLean

(1981) The Brady Brides

as Mike Brady

(1984) Murder, She Wrote

as Adrian Winslow

(1976) Donny & Marie

as Self

(1976) Rich Man, Poor Man

as Teddy Boylan

(1969) Love, American Style

as Ira

(1969) Love, American Style

as Wayne

(1969) Love, American Style

as Nick

(1989) Snoops

as Doug Mitchell