Credits

• 1987 · A Return to Salem's Lot as Judge Axel
• 1987 · J. Edgar Hoover as Dwight D. Eisenhower
• 1984 · Highway to Heaven as Crawford
• 1983 · Hardcastle and McCormick as Roy Stern
• 1983 · Doctor Detroit as Harmon Rousehorn
• 1982 · Remington Steele as Johnny Cooper
• 1982 · Matt Houston as
• 1981 · See China and Die as Edwin Forbes
• 1981 · Falcon Crest as Paul Hartford
• 1981 · Frankenstein Island as The Colonel
• 1980 · M Station: Hawaii as Andrew McClelland
• 1980 · The Long Days of Summer as Sam Wiggins
• 1980 · Hagen as
• 1979 · Hart to Hart as Loring Nichols
• 1979 · Abraham's Sacrifice as King Herabol
• 1979 · Backstairs at the White House as Pres. Dwight D. Eisenhower
• 1979 · The Incredible Journey of Doctor Meg Laurel as Judge Adamson
• 1978 · A Fire in the Sky as The President
• 1978 · The Time Machine as Bean Worthington
• 1978 · Overboard as Dugan
• 1978 · Vega$ as
• 1978 · The Eddie Capra Mysteries as
• 1978 · It Lives Again as Dr. Perry
• 1977 · The Private Files of J. Edgar Hoover as Pres. Lyndon B. Johnson
• 1977 · The Hunted Lady as Capt. John Shannon
• 1977 · CHiPs as
• 1977 · Pine Canyon Is Burning as Capt. Ed Wilson
• 1977 · The Deadliest Season as Al Miller
• 1977 · Tail Gunner Joe as Dwight Eisenhower
• 1976 · Once an Eagle as Gen. McKelvey
• 1976 · Charlie's Angels as Hackshaw Bartlett
• 1976 · Rich Man, Poor Man as Col. Deiner
• 1976 · The Bionic Woman as
• 1976 · Collision Course: Truman vs. MacArthur as Gen. Courtney 'Court' Whitney
• 1975 · Wonder Woman as Mason Steele
• 1975 · The Swiss Family Robinson as
• 1975 · Switch as Truman Berkley
• 1975 · Barbary Coast as Sheriff Bruno Hyde
• 1975 · The Footloose Goose as Narrator (voice)
• 1975 · Attack on Terror: The FBI vs. the Ku Klux Klan as Insp. Ryder
• 1975 · Violence in Blue as
• 1974 · The Missiles of October as Gen. Maxwell Taylor, Army Chief of Staff
• 1974 · Panic on the 5:22 as Harlan Jack Garner
• 1974 · Two Against the Arctic as Narrator (voice)
• 1974 · The Manhunter as
• 1974 · Lucas Tanner as
• 1974 · The Bears and I as Commissioner Gaines
• 1974 · It's Alive as The Professor
• 1974 · The Last Angry Man as Dr. McCabe
• 1973 · Fire on Kelly Mountain as Ed Jorgenson
• 1973 · Pueblo as Congressman
• 1973 · Black Caesar as Man at Shoeshine (uncredited)
• 1973 · Barnaby Jones as Bill Sanderson
• 1973 · Firehouse as Capt. Jim Parr
• 1972 · Kung Fu as Sheriff Boggs
• 1972 · The Streets of San Francisco as
• 1972 · The Streets of San Francisco as Capt. A.R. Malone
• 1972 · M*A*S*H as Col. Alvin 'Howitzer' Houlihan
• 1972 · The Streets of San Francisco as
• 1972 · Ghost Story as Jeremy
• 1972 · Banacek as Cap'n Jack Osburn
• 1972 · Bone as Bill
• 1972 · Jigsaw as Harrison Delando
• 1971 · The Homecoming: A Christmas Story as John Walton
• 1971 · Neighbors as
• 1971 · Two on a Bench as Brubaker
• 1971 · Skin Game as Howard Calloway
• 1971 · McMillan & Wife as Ewing Webley
• 1971 · McMillan & Wife as Captain Robert Stiles
• 1971 · Cannon as
• 1971 · The Forgotten Man as William Forrest
• 1969 · Medical Center as
• 1969 · Medical Center as Dr. Oliver Garson
• 1968 · Lancer as
• 1968 · Hawaii Five-O as Obie O'Brien
• 1968 · Hawaii Five-O as Cliff Morgan
• 1968 · Hawaii Five-O as Dr. Karl Rathman
• 1968 · Hawaii Five-O as Roger Bancroft
• 1968 · Cocoon as Miller
• 1968 · The Secret War of Harry Frigg as Gen. Newton Armstrong
• 1967 · Mannix as
• 1967 · Judd for the Defense as
• 1967 · Off to See the Wizard as
• 1967 · Cimarron Strip as
• 1967 · Ironside as
• 1967 · In Like Flint as U.S. President Trent
• 1967 · The Invaders as General Theodore Beaumont
• 1966 · Mission: Impossible as Justin Bainbridge
• 1965 · The F.B.I. as John Stafford
• 1965 · The F.B.I. as Lt. Frank Harris
• 1965 · The F.B.I. as Steve Ramsey
• 1965 · The F.B.I. as Frank Conner
• 1965 · The Big Valley as Wallant
• 1965 · The Big Valley as Senator Jud Robson
• 1965 · F Troop as
• 1965 · Run for Your Life as Lieutenant Jim Seaborne
• 1965 · Run for Your Life as James Seaborne
• 1965 · The Glory Guys as Gen. Frederick McCabe
• 1964 · 12 O'Clock High as
• 1964 · 12 O'Clock High as Brig. Gen. Ed Britt
• 1964 · 12 O'Clock High as Brigadier/Major General Ed Britt
• 1964 · The Incredible Mr. Limpet as Harlock
• 1964 · Seven Days in May as Col. William "Mud" Henderson
• 1963 · Palm Springs Weekend as Police Chief Dixon
• 1963 · Kraft Suspense Theatre as Dr. Adam Winters
• 1963 · Bob Hope Presents the Chrysler Theatre as Father Michaell
• 1963 · Bob Hope Presents the Chrysler Theatre as Donald Guthrie
• 1963 · Bob Hope Presents the Chrysler Theatre as Captain Franks
• 1963 · The Great Adventure as Col. Callaway
• 1963 · The Fugitive as Harry Andresen
• 1963 · The Fugitive as John Harlan
• 1963 · The Greatest Show on Earth as McHenry
• 1963 · Arrest and Trial as Ben Challis
• 1963 · The Lieutenant as Peter Bonney
• 1963 · PT 109 as Narrator (uncredited)
• 1963 · The Dakotas as
• 1963 · FBI Code 98 as Alan W. Nichols
• 1962 · The Chapman Report as Dr. George C. Chapman
• 1962 · The Alfred Hitchcock Hour as John McGregor
• 1962 · The Virginian as James Claiborne
• 1962 · House of Women as Warden Frank Cole
• 1962 · Merrill's Marauders as Capt. Abraham Lewis Kolodny, MD
• 1962 · Red Nightmare as Judge
• 1962 · Room for One More as
• 1961 · Dr. Kildare as Carl Quincy
• 1961 · The Defenders as Frank Rawlins
• 1960 · The Roaring 20's as
• 1959 · Bourbon Street Beat as Cal Calhoun
• 1959 · Westbound as Clay Putnam
• 1958 · 77 Sunset Strip as
• 1958 · 77 Sunset Strip as Insp. Eric Sommers
• 1958 · 77 Sunset Strip as Cal Calhoun
• 1958 · The Further Adventures of Ellery Queen as Ferris Adams
• 1958 · The Bravados as Padre
• 1958 · Jefferson Drum as Charles McGowan
• 1958 · Return to Warbow as Murray Fallam
• 1957 · Decision at Sundown as Sheriff Swede Hansen
• 1957 · Tombstone Territory as Kirk Stevens
• 1957 · The Saga of Andy Burnett as Jack Kelly
• 1957 · Domino Kid as Wade Harrington
• 1957 · Suspicion as Al Guthrie
• 1957 · Maverick as
• 1957 · Maverick as Big Ed Murphy
• 1957 · Wagon Train as Dan Brady
• 1957 · Have Gun, Will Travel as Daniel Weaver
• 1956 · Three Brave Men as Pastor Stephen Browning
• 1956 · Wire Service as Stowe
• 1956 · Patterns as Harvey Jameson
• 1955 · Matinee Theater as
• 1955 · Cheyenne as
• 1955 · Cheyenne as Mark Kendall
• 1955 · Gunsmoke as Nick Search
• 1955 · Gunsmoke as Fos Capper
• 1955 · Gunsmoke as Crail
• 1955 · The Challenge as Mr Fedricks
• 1954 · The Wonderful World of Disney as Jack Kelly
• 1953 · Death Is My Neighbor as Detective
• 1951 · Schlitz Playhouse of Stars as Red Lawson
• 1950 · Lux Video Theatre as Mahoney
• 1950 · Lux Video Theatre as Jason
• 1950 · Lux Video Theatre as Thug
• 1950 · Lux Video Theatre as Karl
• 1950 · Robert Montgomery Presents as
• 1948 · The Philco Television Playhouse as
• 1948 · The Ed Sullivan Show as Self