Bill Williams
- Goldie and the Boxer Go to Hollywood
1981 Cowboy Bob
- 240-Robert
1979
- A Fire in the Sky
1978 Dale Turner
- 69 Minutes
1976
- The Flight of the Grey Wolf
1976 The Sheriff
- The Giant Spider Invasion
1975 Dutch
- Police Woman
1974
- The Rookies
1972
- Emergency!
1972 Pete
- Scandalous John
1971 Sheriff Hart
- Primus
1971
- Rio Lobo
1970 Blackthorne Sheriff Pat Cronin
- Buckskin
1968 Frank Cody
- Adam-12
1968 William Taylor
- Eight on the Lam
1967 Cop at Roadblock (uncredited)
- Ironside
1967 Lt. Dacker
- Batman
1966 Multimillionaire
- Tickle Me
1965 Deputy Sturdivant
- A Letter to Nancy
1965 George Reed
- Spaceflight IC-1
1965 Capt. Mead Ralston
- The Hallelujah Trail
1965 Stunts
- The F.B.I.
1965 David Warren
- Law of the Lawless
1964 Silas Miller
- Daniel Boone
1964 Caleb Trevor
- Stampede at Bitter Creek
1962 Paul Forbes
- The Sergeant Was a Lady
1961 Col. House
- Oklahoma Territory
1960 Temple Houston
- Hell to Eternity
1960 Leonard
- Assignment: Underwater
1960 Bill Greer
- The Alamo
1960 Stunts
- Alaska Passage
1959 Al Graham
- The Scarface Mob
1959 Martin Flaherty
- A Dog's Best Friend
1959 Wesley 'Wes' Thurman
- Rawhide
1959 Tom Bickle
- Men Into Space
1959
- Laramie
1959
- Space Master X-7
1958 John Hand
- 77 Sunset Strip
1958
- Yancy Derringer
1958 Duke Winslow
- Westinghouse Desilu Playhouse
1958 Martin Flaherty
- The Halliday Brand
1957 Clay Halliday
- Pawnee
1957 Matt Delaney
- The Storm Rider
1957 Sheriff Colton
- Slim Carter
1957 Frank Hanneman
- Perry Mason
1957 Mike Preston
- M Squad
1957 Jerry Langdon
- The Wild Dakotas
1956 Jim Henry
- The Broken Star
1956 Deputy Marshal Bill Gentry
- Apache Ambush
1955 James Kingston
- Wiretapper
1955 James Arthur Vaus, Jr.
- Hell's Horizon
1955 Paul Jenkins
- Gunsmoke
1955 Red
- The Millionaire
1955 Donald Abbott
- The Outlaw's Daughter
1954 Jess Raidley aka Big Red
- Racing Blood
1954 Tex
- Lassie
1954
- Torpedo Alley
1953 Tom Graham
- General Electric Theater
1953 Stewart Davidson
- Son of Paleface
1952 Kirk
- The Pace That Thrills
1952 Richard L. 'Dusty' Weston
- Rose of Cimarron
1952 George Newcomb
- The Last Outpost
1951 Sgt. Tucker
- The Great Missouri Raid
1951 Jim Younger
- Havana Rose
1951 Tex Thompson
- Blue Blood
1951 Bill Manning
- Dragnet
1951
- Schlitz Playhouse of Stars
1951 Ed Sawyer
- Operation Haylift
1950 Bill Masters
- The Cariboo Trail
1950 Mike Evans
- Blue Grass of Kentucky
1950 Lin McIvor
- California Passage
1950 Bob Martin
- Rookie Fireman
1950 Joe Blake
- The Clay Pigeon
1949 Jim Fletcher
- The Stratton Story
1949 Eddie Dibson
- A Dangerous Profession
1949 Claude Brackett
- A Woman's Secret
1949 Lee Crenshaw
- Fighting Man of the Plains
1949 Marshall Johnny Tancred
- A Likely Story
1947 Bill
- Deadline at Dawn
1946 Alex Winkler
- Till the End of Time
1946 Perry Kincheloe
- West of the Pecos
1945 Tex Evans
- Those Endearing Young Charms
1945 Jerry
- The Body Snatcher
1945 Survis - Medical Student (uncredited)
- Back to Bataan
1945 (uncredited)
- Johnny Angel
1945 Big Sailor (uncredited)
- Sing Your Way Home
1945 Officer (uncredited)
- Murder in the Blue Room
1944 Larry (as Bill MacWilliams)
- Thirty Seconds Over Tokyo
1944 Bud Felton
- King Kong
1933 Theatre Usher (uncredited)
