William Bertram Filmography
- Actor (66 credits)
- The Mystery Trooper (1931) Chief Red Eagle
- The Ridin' Kid (1931) Mark Perdue
- Lightnin' Smith Returns (1931) Sheriff
- Rider of the Plains (1931) Hopper, not listed in credits
- God's Country and the Man (1931) Texas Ranger Captain
- Spurs (1930) Indian Joe
- The Boss of Rustler's Roost (1928) Sheriff Drain
- The Little Shepherd of Kingdom Come (1928) Caleb Haazel (schoolmaster)
- Twisted Triggers (1926) Jim Regan
- Under Fire (1926)
- Fangs of Fate (1925) Judge Harcourt
- The Long Chance (1922) Sam Singer
- The Truth of Fiction (1915) Sheriff
- Justified (1915) Jed Morgan
- The Wishing Stone (1915) Barbara's Grandfather
- Wife Wanted (1915)
- The Zaca Lake Mystery (1915) The Sheriff
- One Summer's Sequel (1915) Mr. Johns - Dora's Father
- The Decision (1915)
- Ancestry (1915)
- His Brother's Debt (1915) Mr. Downs
- The Derelict (1915) Dr. Lane
- Restitution (1915) Jim Crow
- The Little House in the Valley (1914) Vernon Prentiss
- The Town of Nazareth (1914) Wilson, a wealthy cloth manufacturer
- The Pursuer Pursued (1914) Mr. Stanley
- Blue Knot, King of Polo (1914) Mr. Karr
- The Dream Child (1914) John Reynolds
- In Tune (1914) Mr. White
- The Girl and the Stowaway (1914) Lord Richie
- The Smouldering Spark (1914)
- Unto the Weak (1914) Rev. Tallett
- The Money Lender (1914) Philip Swan - the Money Lender
- The Silent Way (1914) An Indian
- When a Woman Waits (1914) Minister
- A Happy Coercion (1914)
- A Soul Astray (1914)
- Damaged Goods (1914) A Quack
- Daylight (1914) Dr. Stanley - an Eye Specialist
- The Hermit (1914) Mr. Bliss - Lillian's Father
- In the Moonlight (1914) Henry Bruce
- The Lost Treasure (1914) Dick Bladget
- Calamity Anne in Society (1914) The Western Lawyer
- The Second Clue (1914)
- The Stolen Masterpiece (1914) Hawkins - Walsh's Butler
- In the Footprints of Mozart (1914) Joseph Allen
- A Slice of Life (1914) Long - City Editor
- The Getaway (1914) Fred Cross
- A Decree of Justice (1914) George Mason - the Draughtsman
- When the Road Parts (1914) The Merchant
- The Carbon Copy (1914) Grey - of Grey and Son
- Mona (1913) Chief Big Turtle, Mona's Father
- The Shriner's Daughter (1913) William Lambert
- At Midnight (1913) Sam - the Cracksman
- Apache Love (1913)
- A Shot in the Dark (1912) The Sheriff
- Star Eyes' Stratagem (1912) Sioux Chief
- Love, War and a Bonnet (1912) Reverend Watson
- A Red Man's Love (1912) Maj. Bowen
- Trapper Bill, King of Scouts (1912) Gen. Kearney
- The Half-Breed Scout (1912) Trapper
- Big Rock's Last Stand (1912) Chief Big Rock
- The Massacre of Santa Fe Trail (1912) Chief Rain Cloud
- The Massacre of the Fourth Cavalry (1912) Mangus
- The Tattoo (1912) Joe Carlisle
- An Indian Ishmael (1912) Colonel
- Director (49 credits)
- The Phantom Buster (1927)
- Ace of Action (1926)
- Alias Phil Kennedy (1922)
- The Wolverine (1921)
- Ghost City (1921)
- Miss Gingersnap (1919)
- The Arizona Cat Claw (1919)
- Baby Marie's Round-Up (1919)
- The Old Maid's Baby (1919)
- The Sawdust Doll (1919)
- Dolly's Vacation (1918)
- Daddy's Girl (1918)
- Dolly Does Her Bit (1918)
- The Voice of Destiny (1918)
- A Daughter of the West (1918)
- Winning Grandma (1918)
- Milady o' the Beanstalk (1918)
- Cupid by Proxy (1918)
- The Neglected Wife (1917)
- The Understudy (1917)
- Who Is Number One? (1917)
- The Little Patriot (1917)
- Tears and Smiles (1917)
- Under Azure Skies (1916)
- With a Life at Stake (1916)
- The Gulf Between (1916)
- Water Stuff (1916)
- The Comet's Come-Back (1916)
- A Man's Friend (1916)
- Curlew Corliss (1916)
- The Return (1916)
- Margy of the Foothills (1916)
- The Awakening (1916)
- Sandy, Reformer (1916)
- A Modern Knight (1916)
- Snow Stuff (1916)
- El Diablo (1916)
- The Taming of Wild Bill (1916)
- The Extra Man and the Milk-Fed Lion (1916)
- His Obligation (1915)
- Author! Author! (1915)
- The Mighty Hold (1915)
- The Idol (1915)
- Man-Afraid-of-His-Wardrobe (1915)
- Wait and See (1915)
- Film Tempo (1915)
- Buck's Lady Friend (1915)
- Neal of the Navy (1915)
- This Is the Life (1915)
- Writer (1 credits)
