Credits

• 1995 · Brady Bunch Home Movies as (archival footage)
• 1991 · Prime Target as Harrington
• 1990 · The Bradys as Mike Brady
• 1989 · Free Spirit as
• 1988 · A Very Brady Christmas as Mike Brady
• 1988 · Day by Day as
• 1987 · Jake and the Fatman as
• 1985 · International Airport as Carl Roberts
• 1984 · Crazy like a Fox as
• 1984 · Murder, She Wrote as Adrian Winslow
• 1984 · Murder, She Wrote as Jackson
• 1984 · Murder, She Wrote as Truman Calloway, Esq.
• 1984 · Cover Up as
• 1984 · Finder of Lost Loves as Tim Sanderson
• 1984 · Hunter as Judge Unger
• 1982 · Matt Houston as
• 1982 · Hotel as
• 1982 · Night of 100 Stars as Self
• 1981 · Death of a Centerfold: The Dorothy Stratten Story as David Palmer
• 1981 · Conquest of the Earth as Dr. Donald Mortinson
• 1981 · Nurse as Dr. Adam Rose
• 1981 · The Brady Brides as Mike Brady
• 1981 · The Brady Girls Get Married as Mike Brady
• 1980 · Casino as Darius
• 1980 · Nurse as Dr. Kenneth Rose
• 1980 · Scruples as Josh Hillman
• 1980 · Galactica 1980 as Dr. Donald Mortinson
• 1979 · The Seekers as Daniel Clapper
• 1979 · Love's Savage Fury as Cmdr. Marston
• 1979 · Mandrake as Arkadian
• 1978 · Bud and Lou as Alan Randall
• 1978 · Thou Shalt Not Commit Adultery as Jack Kimball
• 1978 · Vega$ as
• 1978 · The Paper Chase as
• 1978 · No Prince for My Cinderella as David McKay
• 1977 · The Hunted Lady as Dr. Arthur Sills
• 1977 · The Love Boat as Barney Mason
• 1977 · The Love Boat as Frank McLean
• 1977 · Lucan as
• 1977 · SST: Death Flight as Captain Jim Walsh
• 1977 · The Brady Bunch Hour as Mike Brady
• 1977 · Roots as Dr. William Reynolds
• 1977 · Kit Carson and the Mountain Men as Capt. John C. Fremont
• 1976 · Revenge for a Rape as Sheriff Paley
• 1976 · The Boy in the Plastic Bubble as Johnny Lubitch
• 1976 · Nightmare in Badham County as Supt Dancer
• 1976 · Charlie's Angels as Glenn Staley
• 1976 · Lanigan's Rabbi as Morton Galen
• 1976 · Law and Order as Aaron Levine
• 1976 · Donny & Marie as Self
• 1975 · Wonder Woman as The Falcon
• 1975 · The Secret Night Caller as Freddy Durant
• 1974 · Harry O as
• 1974 · Pray for the Wildcats as Paul McIlvain
• 1973 · The World of Sid & Marty Krofft at the Hollywood Bowl as Audience member (uncredited)
• 1973 · The Man Who Could Talk to Kids as Tom Lassiter
• 1973 · Intertect as Blake Hollister
• 1973 · Snatched as Frank McCloy
• 1972 · The Streets of San Francisco as
• 1972 · Haunts of the Very Rich as Reverend John Fellows
• 1971 · The City as Sealy Graham
• 1970 · McCloud as
• 1969 · The Brady Bunch as Mike Brady
• 1969 · Medical Center as
• 1969 · The Maltese Bippy as Lt. Tim Crane
• 1968 · The Mod Squad as
• 1968 · Hawaii Five-O as Matthew Meighan
• 1968 · Hawaii Five-O as Richard Slade
• 1968 · Star! as Charles Fraser
• 1968 · Journey Into Darkness as Hank Prentiss
• 1967 · Mannix as
• 1967 · Hondo as
• 1967 · Hurry Sundown as Lars Finchley
• 1966 · Mission: Impossible as
• 1966 · Family Affair as
• 1965 · The Admiral as Lt. Chris Callahan
• 1963 · Bob Hope Presents the Chrysler Theatre as
• 1961 · The Mike Douglas Show as Self
• 1961 · Dr. Kildare as Judd Morrison
• 1961 · The Defenders as Kenneth Preston
• 1961 · Bloodlust! as Johnny Randall
• 1961 · Tallahassee 7000 as
• 1959 · Men into Space as Russell Smith
• 1958 · Bronco as Tom Fuller
• 1958 · The Hunters as Jackson