Born in Chicago, he was an actor in touring stock companies before making his screen debut in 1912. Joining D.W. Griffith's Fine Arts Studio in 1914, he was cast as Union officer Phil Stoneman in "The Birth of a Nation" (1915) and as The Rhapsodie in the Babylonian story of "Intolerance" (1916). He was also a second-unit director for those films. Promoted to director in 1917, Clifton supervised several successful Fine Arts comedies starring Dorothy Gish while continuing to serve as Griffith's assistant. Their association culminated with the blockbuster "Way Down East" (1920). Clifton shot much of its famous "Rescue from the ice" sequence and doubled for star Richard Barthelmess in the riskier scenes. He then left Griffith to form his own production company and had a smash hit with "Down to the Sea in Ships" (1922), a colorful whaling saga made on location in New England. It made a star of future "It Girl" Clara Bow, who appeared as a cross-dressing stowaway. In 1923 Clifton signed a lucrative seven-year contract with Fox and was poised to become one of Hollywood's major directors. Then tragedy struck. He was filming "The Warrens of Virginia" in Texas when his lead actress died from burns in an accident on the set. Although Clifton was blameless in the incident, he was fired by Fox and his career never regained its momentum.
| Год | Название | Роль | Тип |
|---|---|---|---|
| 2019 | I Am Not a Racist | Phil (архивные кадры) (нет в титрах) | Фильм |
| 1917 | Nina, the Flower Girl | Jimmie | Фильм |
| 1916 | The Old Folks at Home | Steve Coburn | Фильм |
| 1916 | Нетерпимость | The Rhapsode (Babylonian Story) | Фильм |
| 1916 | The Little School Ma'am | Wilbur Howard | Фильм |
| 1916 | Acquitted | Ned Fowler | Фильм |
| 1916 | The Missing Links | Horace Gaylord | Фильм |
| 1915 | The Sable Lorcha | Phillip Clyde - Evelyn's Fiancé | Фильм |
| 1915 | The Lily and the Rose | Allison Edwards | Фильм |
| 1915 | The Fox Woman | Marashida | Фильм |
| 1915 | The Lost House | Cuthbert | Фильм |
| 1915 | Рождение нации | Stoneman's Elder Son Phil | Фильм |
| 1914 | A Lucky Disappointment | Jack Holt | Фильм |
| 1914 | The Sisters | Frank (Carol's country lover) | Фильм |
| 1914 | The Folly of Anne | The Sympathtic Publisher | Фильм |
| 1914 | Burning Daylight: The Adventures of 'Burning Daylight' in Alaska | Charley Bates | Фильм |
| 1914 | Martin Eden | Cub Reporter | Фильм |
| 1914 | John Barleycorn | Jack, 3rd period | Фильм |
| 1914 | A Duel for Love | Фильм |
| Год | Название | Работа | Тип |
|---|---|---|---|
| 1950 | Outcasts of Black Mesa | Автор истории | Фильм |
| 1950 | The Silver Bandit | Director, Screenplay, Story | Фильм |
| 1950 | The Kid from Gower Gulch | Сценарий | Фильм |
| 1949 | Red Rock Outlaw | Director, Screenplay | Фильм |
| 1949 | Not Wanted | Режиссёр | Фильм |
| 1949 | The Judge | Director, Screenplay | Фильм |
| 1948 | Quick on the Trigger | Сценарий | Фильм |
| 1948 | Sunset Carson Rides Again | Сценарист | Фильм |
| 1947 | West to Glory | Сценарий | Фильм |
| 1947 | Rainbow Over the Rockies | Сценарий | Фильм |
| 1946 | Song of the Sierras | Сценарий | Фильм |
| 1946 | Outlaws of the Plains | Автор истории | Фильм |
| 1946 | Swing, Cowboy, Swing | Director, Writer | Фильм |
| 1946 | Lightning Raiders | Original Story, Screenplay | Фильм |
| 1945 | Frontier Fugitives | Сценарий | Фильм |
| 1945 | Three in the Saddle | Сценарий | Фильм |
| 1945 | Marked for Murder | Director, Screenplay | Фильм |
| 1944 | The Whispering Skull | Режиссёр | Фильм |
| 1944 | Dead or Alive | Режиссёр | Фильм |
| 1944 | Youth Aflame | Director, Screenplay | Фильм |
| 1944 | Gangsters of the Frontier | Director, Screenplay | Фильм |
| 1944 | Gunsmoke Mesa | Сценарий | Фильм |
| 1944 | Seven Doors to Death | Director, Screenplay | Фильм |
| 1944 | Brand of the Devil | Сценарий | Фильм |
| 1944 | Teen Age | Screenplay, Story | Фильм |
| 1944 | Spook Town | Director, Screenplay | Фильм |
| 1944 | The Pinto Bandit | Director, Screenplay, Story | Фильм |
| 1944 | Guns of the Law | Director, Screenplay | Фильм |
| 1944 | Outlaw Roundup | Сценарий | Фильм |
| 1944 | Капитан Америка | Режиссёр | Фильм |
| 1943 | Boss of Rawhide | Director, Story, Screenplay | Фильм |
| 1943 | The Return of the Rangers | Director, Story, Screenplay | Фильм |
| 1943 | Frontier Law | Director, Screenplay | Фильм |
| 1943 | Raiders of San Joaquin | Сценарий | Фильм |
| 1943 | Cheyenne Roundup | Screenplay, Story | Фильм |
| 1943 | Days of Old Cheyenne | Режиссёр | Фильм |
| 1943 | The Blocked Trail | Режиссёр | Фильм |
| 1943 | Bad Men of Thunder Gap | Сценарист | Фильм |
| 1942 | The Sundown Kid | Режиссёр | Фильм |
| 1942 | The Rangers Take Over | Сценарист | Фильм |
| 1942 | The Old Chisholm Trail | Director, Screenplay | Фильм |
| 1942 | Deep in the Heart of Texas | Режиссёр | Фильм |
| 1941 | Swamp Woman | Режиссёр | Фильм |
| 1941 | Hard Guy | Режиссёр | Фильм |
| 1941 | I'll Sell My Life | Director, Screenplay | Фильм |
| 1941 | City of Missing Girls | Режиссёр | Фильм |
| 1941 | The Trail of the Silver Spurs | Автор истории | Фильм |
| 1940 | West of Pinto Basin | Автор истории | Фильм |
| 1940 | Isle Of Destiny | Режиссёр | Фильм |
| 1939 | Crashing Thru | Режиссёр | Фильм |
| 1938 | California Frontier | Режиссёр | Фильм |
| 1938 | Law of the Texan | Режиссёр | Фильм |
| 1938 | The Stranger from Arizona | Режиссёр | Фильм |
| 1938 | Paroled from the Big House | Режиссёр | Фильм |
| 1938 | The Secret of Treasure Island | Director, Screenplay | Фильм |
| 1938 | Assassin of Youth | Director, Story, Screenplay | Фильм |
| 1937 | Slaves in Bondage | Режиссёр | Фильм |
| 1937 | Mile a Minute Love | Режиссёр | Фильм |
| 1936 | Ten Laps to Go | Режиссёр | Фильм |
| 1936 | Pilot X | Режиссёр | Фильм |
| 1936 | Gambling with Souls | Режиссёр | Фильм |
| 1936 | Wildcat Trooper | Режиссёр | Фильм |
| 1936 | Wolves of the Sea | Director, Story | Фильм |
| 1936 | Custer's Last Stand | Режиссёр | Фильм |
| 1936 | Custer's Last Stand | Режиссёр | Фильм |
| 1935 | Skull and Crown | Режиссёр | Фильм |
| 1935 | Rip Roaring Riley | Режиссёр | Фильм |
| 1935 | Captured in Chinatown | Director, Writer | Фильм |
| 1935 | Rough Riding Ranger | Director, Screenplay | Фильм |
| 1935 | Fighting Caballero | Director, Writer | Фильм |
| 1935 | Cyclone of the Saddle | Writer, Director | Фильм |
| 1935 | Pals of the Range | Director, Writer | Фильм |
| 1931 | Maid to Order | Режиссёр | Фильм |
| 1931 | The Fallen Empire | Режиссёр | Фильм |
| 1929 | Light of India | Режиссёр | Фильм |
| 1929 | The Devil's Apple Tree | Режиссёр | Фильм |
| 1928 | Tropical Nights | Режиссёр | Фильм |
| 1928 | Virgin Lips | Режиссёр | Фильм |
| 1928 | Beautiful But Dumb | Режиссёр | Фильм |
| 1928 | Let 'Er Go Gallegher | Режиссёр | Фильм |
| 1928 | The Bride of the Colorado | Режиссёр | Фильм |
| 1927 | The Wreck of the Hesperus | Режиссёр | Фильм |
| 1924 | Daughters of the Night | Режиссёр | Фильм |
| 1924 | The Warrens of Virginia | Режиссёр | Фильм |
| 1923 | Six Cylinder Love | Режиссёр | Фильм |
| 1922 | По морю на кораблях | Director, Producer | Фильм |
| 1920 | Mary Ellen Comes to Town | Режиссёр | Фильм |
| 1919 | Turning the Tables | Режиссёр | Фильм |
| 1919 | Nobody Home | Режиссёр | Фильм |
| 1919 | Nugget Nell | Режиссёр | Фильм |
| 1919 | I'll Get Him Yet | Режиссёр | Фильм |
| 1919 | Peppy Polly | Режиссёр | Фильм |
| 1919 | Boots | Режиссёр | Фильм |
| 1918 | The Hope Chest | Режиссёр | Фильм |
| 1918 | Kiss or Kill | Writer, Director | Фильм |
| 1918 | Battling Jane | Режиссёр | Фильм |
| 1918 | Winner Takes All | Режиссёр | Фильм |
| 1918 | The Eagle | Режиссёр | Фильм |
| 1918 | Smashing Through | Режиссёр | Фильм |
| 1918 | The Guilt of Silence | Режиссёр | Фильм |
| 1918 | The Two-Soul Woman | Director, Writer | Фильм |
| 1918 | Brace Up | Director, Story | Фильм |
| 1918 | The Flash of Fate | Режиссёр | Фильм |
| 1917 | The High Sign | Режиссёр | Фильм |
| 1917 | The Man Trap | Режиссёр | Фильм |
| 1917 | Flirting with Death | Режиссёр | Фильм |
| 1917 | A Stormy Knight | Режиссёр | Фильм |
| 1917 | The Midnight Man | Режиссёр | Фильм |
| 1917 | High Speed | Режиссёр | Фильм |
| 1917 | The Flame of Youth | Режиссёр | Фильм |
| 1917 | Her Official Fathers | Режиссёр | Фильм |
| 1916 | Нетерпимость | First Assistant Director | Фильм |
| 1915 | Рождение нации | Assistant Director | Фильм |
| — | Wives at Auction | Режиссёр | Фильм |
| — | The Truth About Men | Режиссёр | Фильм |
| — | The Virgin Wife | Режиссёр | Фильм |