Andrew Duggan
- A Return to Salem's Lot
1987 Judge Axel
- J. Edgar Hoover
1987 Dwight D. Eisenhower
- Doctor Detroit
1983 Harmon Rousehorn
- See China and Die
1981 Edwin Forbes
- Frankenstein Island
1981 The Colonel
- M Station: Hawaii
1980 Andrew McClelland
- The Long Days of Summer
1980 Sam Wiggins
- The Incredible Journey of Doctor Meg Laurel
1979 Judge Adamson
- Abraham's Sacrifice
1979 King Herabol
- Overboard
1978 Dugan
- It Lives Again
1978 Dr. Perry
- The Time Machine
1978 Bean Worthington
- A Fire in the Sky
1978 The President
- Tail Gunner Joe
1977 Dwight Eisenhower
- The Private Files of J. Edgar Hoover
1977 Pres. Lyndon B. Johnson
- Pine Canyon Is Burning
1977 Capt. Ed Wilson
- The Hunted Lady
1977 Capt. John Shannon
- The Deadliest Season
1977 Al Miller
- Collision Course: Truman vs. MacArthur
1976 Gen. Courtney 'Court' Whitney
- Violence in Blue
1975
- The Footloose Goose
1975 Narrator (voice)
- It's Alive
1974 The Professor
- The Missiles of October
1974 Gen. Maxwell Taylor, Army Chief of Staff
- The Bears and I
1974 Commissioner Gaines
- Panic on the 5:22
1974 Harlan Jack Garner
- The Last Angry Man
1974 Dr. McCabe
- Two Against the Arctic
1974 Narrator (voice)
- Black Caesar
1973 Man at Shoeshine (uncredited)
- Pueblo
1973 Congressman
- Fire on Kelly Mountain
1973 Ed Jorgenson
- Firehouse
1973 Capt. Jim Parr
- Bone
1972 Bill
- Jigsaw
1972 Harrison Delando
- The Streets of San Francisco
1972 Capt. A.R. Malone
- Skin Game
1971 Howard Calloway
- The Forgotten Man
1971 William Forrest
- Two on a Bench
1971 Brubaker
- The Homecoming: A Christmas Story
1971 John Walton
- Neighbors
1971 Chuck Robinson
- The Secret War of Harry Frigg
1968 Gen. Newton Armstrong
- Cocoon
1968 Miller
- In Like Flint
1967 U.S. President Trent
- The Glory Guys
1965 Gen. Frederick McCabe
- Seven Days in May
1964 Col. William "Mutt" Henderson
- The Incredible Mr. Limpet
1964 Harlock
- PT 109
1963 Narrator (uncredited)
- Palm Springs Weekend
1963 Police Chief Dixon
- FBI Code 98
1963 Alan W. Nichols
- Merrill's Marauders
1962 Capt. Abraham Lewis Kolodny, MD
- House of Women
1962 Warden Frank Cole
- The Chapman Report
1962 Dr. George C. Chapman
- Red Nightmare
1962 Judge
- Westbound
1959 Clay Putnam
- The Bravados
1958 Padre
- Return to Warbow
1958 Murray Fallam
- Decision at Sundown
1957 Sheriff Swede Hansen
- Domino Kid
1957 Wade Harrington
- Patterns
1956 Harvey Jameson
- Three Brave Men
1956 Pastor Stephen Browning
- The Challenge
1955 Mr. Fedricks
- Death Is My Neighbor
1953 Detective
