Guinn 'Big Boy' Williams
- The Comancheros
1961 Ed McBain - Gunrunner (uncredited)
- Five Bold Women
1960 'Big Foot' - the wagon driver
- The Alamo
1960 Lt. 'Irish' Finn
- Home from the Hill
1960 Hugh Macauley (uncredited)
- The Hired Gun
1957 Elby Kirby
- Man from Del Rio
1956 Fred Jasper
- Fremont: The Trailblazer
1956 Cassidy
- Hidden Guns
1956 Kingford
- Southwest Passage
1954 Tall Tale
- Massacre Canyon
1954 Pvt. Archibald Allen
- The Outlaw's Daughter
1954 Moose, Deputy
- Hangman's Knot
1952 Smitty
- Springfield Rifle
1952 Sgt. Snow
- Man in the Saddle
1951 Bourke Prine
- Al Jennings of Oklahoma
1951 Lon Tuttle
- Rocky Mountain
1950 Pap Dennison (CSA)
- Hoedown
1950 Small Potatoes
- Brimstone
1949 Art Benson
- Bad Men of Tombstone
1949 Red Fisk
- Station West
1948 Mick Marion
- Smoky Mountain Melody
1948 Saddle Grease Williams
- Road to the Big House
1947 Butch McQuinn
- Smoky River Serenade
1947 Wagon Wheel (as Big Boy Williams)
- King of the Wild Horses
1947 Jed Acker
- Over the Santa Fe Trail
1947 Big Boy Jackson
- That Texas Jamboree
1946 Big Boy Frazer
- Singing on the Trail
1946 Big Boy Webster
- Throw a Saddle on a Star
1946 Big Boy
- Cowboy Blues
1946 Big Boy Stover
- Singin' in the Corn
1946 Hank
- Song of the Prairie
1945 Big Boy Jackson
- The Man Who Walked Alone
1945 Champ
- Sing Me a Song of Texas
1945 Big Boy
- Rhythm Round-Up
1945 Zeke Winslow
- Belle of the Yukon
1944 Sheriff Mervin Maitland
- Cowboy and the Senorita
1944 'Teddy' Bear
- Hands Across the Border
1944 Teddy Bear
- Nevada
1944 Dusty
- Swing in the Saddle
1944 'Tiny' Baldwin
- Cowboy Canteen
1944 Spud Harrigan
- Minesweeper
1943 CPO Ichabod Ferdinand 'Fixit' Smith
- The Desperadoes
1943 Nitro Rankin
- American Empire
1942 Sailaway
- Mr. Wise Guy
1942 Luke Manning
- Lure of the Islands
1942 Jinx
- Between Us Girls
1942 Father of the Boys
- Silver Queen
1942 Blackie
- The Bugle Sounds
1942 Sgt. Krims
- You'll Never Get Rich
1941 Kewpie Blain
- Swamp Water
1941 Bud Dorson
- Billy the Kid
1941 Ed Bronson (blacksmith)
- Mr. Bug Goes to Town
1941 Narrator (voice) (uncredited)
- Country Fair
1941 Gunther Potts
- Riders of Death Valley
1941 Borax Bill
- Six Lessons From Madame La Zonga
1941 Alvin
- Santa Fe Trail
1940 Windy Brody
- Castle on the Hudson
1940 Mike Cagle
- Money and the Woman
1940 Mr. Adle
- The Fighting 69th
1940 Paddy Dolan
- Alias the Deacon
1940 Bull Gumbatz
- Virginia City
1940 Marblehead
- Pleased to Mitt You
1940 Chuck Brenner
- Wagons Westward
1940 Jake Hardman
- Dulcy
1940 Henry
- Fugitive at Large
1939 Conway (as Guinn Williams)
- Dodge City
1939 Tex Baird
- Blackmail
1939 Moose McCarthy
- Bad Lands
1939 Billy Sweet
- 6,000 Enemies
1939 Maxie
- Mutiny on the Blackhawk
1939 Blake - the First Mate
- Street of Missing Men
1939 T-Bone
- Pardon Our Nerve
1939 Samson Smith
- Legion of Lost Flyers
1939 Jake Halley
- You and Me
1938 Taxi
- Army Girl
1938 Ross
- Hold That Co-ed
1938 Mike Wurgerski
- Crashing Through Danger
1938 Slim
- Everybody's Doing It
1938 'Softy' Blane
- Professor Beware
1938 Motorcycle Cop
- Down in 'Arkansaw'
1938 Juble Butler
- The Marines Are Here
1938 Sgt. Gibbons
- I Demand Payment
1938 Happy Crofton
- A Star Is Born
1937 Posture Coach
- You Only Live Once
1937 Rogers
- Big City
1937 Danny Devlin
- Wise Girl
1937 Mike
- Dangerous Holiday
1937 Duke Edwards
- Flying Fists
1937 Slug Cassidy
- The Bad Man of Brimstone
1937 Vulch McCreedy
- She's No Lady
1937 Jeff
- My Dear Miss Aldrich
1937 An Attendant
- The Singing Marine
1937 Dopey
- Don't Tell the Wife
1937 Lazarus "Cupid" Dougal
- Girls Can Play
1937 Det. Lt. Ed Flannagan
- Kelly the Second
1936 Cecil Joseph Callahan
- Grand Jury
1936 Joseph Britt
- The Vigilantes Are Coming
1936 Salvation
- The Big Game
1936 Pete Jenkins
- Love on a Bet
1936 Undetermined Secondary Role (scenes deleted)
- Muss 'em Up
1936 'Red' Cable
- North of Nome
1936 Haage
- End of the Trail
1936 Bob Hildreth
- Career Woman
1936 Bede Sanders
- The Champ's a Chump
1936 Spike
- The Glass Key
1935 Jeff
- The Littlest Rebel
1935 Sergeant Dudley
- Private Worlds
1935 Jerry Stone
- Big Boy Rides Again
1935 Tom Duncan
- Miss Pacific Fleet
1935 Nicholas 'Nick', Annie's Boyfriend
- The Law of 45's
1935 Tucson Two-Gun Smith
- One in a Million
1935 Spike McGafferty
- Gun Play
1935 Bill Williams
- Village Tale
1935 Ben Roberts
- Danger Trails
1935 Story
- Society Fever
1935 Edgar Prouty
- Powdersmoke Range
1935 Lullaby Joslin
- Flirtation Walk
1934 Sleepy
- Cowboy Holiday
1934 Buck Sawyer
- Thunder Over Texas
1934 Ted Wright
- The Silver Streak
1934 Higgins
- Cheaters
1934 Detective Sweeney
- Here Comes the Navy
1934 Dance-Floor Manager
- Palooka
1934 Slats (uncredited)
- The Undie-World
1934 Bugsy McHugh
- Romance in the Rain
1934 Panya Mankiewicz
- Half a Sinner
1934 'Bull' Moran
- Rafter Romance
1933 Fritzie
- The Mystery Squadron
1933 Bill 'Jellybean' Cook
- College Coach
1933 Matthews
- Man of the Forest
1933 Big Boy
- Laughing at Life
1933 Jones
- The Phantom Broadcast
1933 Sandy Higgins
- Heritage of the Desert
1932 Lefty
- Polly of the Circus
1932 Eric
- Drifting Souls
1932 Bing
- Running Hollywood
1932 Scratchface Henchman
- The Devil Is Driving
1932 Mac
- You Said a Mouthful
1932 Swimmer Joe Holt (uncredited)
- Ladies of the Jury
1932 Steve Bromm (uncredited)
- 70,000 Witnesses
1932 Connors
- Boys Will Be Boys
1932 Butch
- The Phantom
1931 Dick Mallory
- The Bachelor Father
1931 Dick Berney
- The Great Meadow
1931 Rubin Hall
- War Mamas
1931 Doughboy
- Catch-As Catch-Can
1931 Strangler Sullivan
- City Girl
1930 Reaper
- College Lovers
1930 Tiny Courtley
- The Big Fight
1930 Tiger
- The Bad Man
1930 Red Giddings
- Liliom
1930 Hollinger
- Lucky Star
1929 Martin Wrenn
- The Forward Pass
1929 Honey Smith
- From Headquarters
1929 Gunnery Sergeant Wilmer
- Beggars of Life
1928 Baker's Cart Driver (uncredited)
- Noah's Ark
1928 Al Wilson / Ham
- Ladies' Night in a Turkish Bath
1928 Sweeney
- My Man
1928 Joe Halsey
- Vamping Venus
1928 Mars
- Burning Daylight
1928 English Harry (as Big Boy Williams)
- The Woman Who Did Not Care
1927 Lars
- Slide, Kelly, Slide
1927 McLean
- Quarantined Rivals
1927 Joe, the plumber
- Backstage
1927 Mike Donovan
- The Down Grade
1927 Ed Holden
- The College Widow
1927 Don White (as Big Boy Williams)
- Snowbound
1927 Bull Morgan
- Babe Comes Home
1927 Baseball Player (as Big Boy Williams)
- Arizona Bound
1927 Cowboy
- Lightning
1927 Cuth Stewart
- Brown of Harvard
1926 Hal Walter
- The Desert's Toll
1926 Henchman
- Rose of the Desert
1925 Cowboy (as Big Boy Williams)
- The Big Stunt
1925
- The Black Cyclone
1925 Jim Lawson
- Red Blood and Blue
1925 Story
- Sporting West
1925
- Whistling Jim
1925 Whistling Jim
- Riders of the Sand Storm
1925 The Cowboy
- Wolfheart's Revenge
1925 Jack Stanley
- The Avenger
1924 Nat Sherwood
- The Eagle's Claw
1924 Dan Carson
- Cyclone Jones
1923 Cyclone Jones
- Riders at Night
1923
- End of the Rope
1923
- $1,000 Reward
1923
- The Ropin' Fool
1922 The Foreman
- The Trail of Hate
1922 Silent Kerry
- Across the Border
1922 Andy Fowler
- The Cowboy King
1922 Dud Smiley
- Rounding Up the Law
1922 Larry Connell
- Blaze Away
1922 Big Boy
- The Freshie
1922 Charles Taylor
- Remembrance
1922
- The Jack Rider
1921 Writer
- The Vengeance Trail
1921 Story
- Western Firebrands
1921 Billy Fargo
- Cupid the Cowpuncher
1920 Hairoil Johnson
- Godless Men
1920 Seaman
- Jubilo
1919 Man Shooting Pool with Bert (uncredited)
- Almost a Husband
1919
