Bertram Grassby Filmography
- Actor (86 credits)
- The Beloved Rogue (1927) Duke of Orleans
- When a Man Loves (1927) Le Duc de Richelieu
- Made for Love (1926) Mahmoud Bey
- The Beautiful Cheat (1926) Marquis de la Pontenac
- Havoc (1925) Alexi Betskoy
- The Shadow of the East (1924) Kunwar Singh
- His Hour (1924) Boris Varishkine
- One Law for the Woman (1924) Bartlett
- Fools in the Dark (1924) Kotah - Dr. Rand's Servant
- Captain Blood (1924) Don Diego
- The Midnight Express (1924) Arthur Bleydon
- The Man from Brodney's (1923) Rasnea
- The Prisoner (1923) Prince Ugo Ravorelli
- The Tiger's Claw (1923) Raj Singh
- Drums of Fate (1923) Hamoud Bin-Said
- Golden Dreams (1922) Duke of Othomo
- The Young Rajah (1922) Maharajah Ali Kahn
- For the Defense (1922) Dr. Joseph Kasimir
- Borderland (1922) Francis Vincent
- Shattered Dreams (1922) Théophine Grusant
- Sleepwalker (1922) Ambrose Hammond
- Serenade (1921) Ramón Maticas
- A Parisian Scandal (1921) Baron Stransky
- Hush (1921) Herbert Brooks
- The Woman and the Puppet (1920) Philippe
- The Fighting Chance (1920) Howard Quarrier
- Dangerous Days (1920) Rodney Page
- The Week-End (1920) Spencer Jardine
- The Inferior Sex (1920) Porter Maddox
- Mid-Channel (1920) Leonard Ferris
- A Romance of Happy Valley (1919) Judas
- The Delicious Little Devil (1919) Duke de Sauterne
- Hoop-La (1919) Tony Barrows
- Upstairs and Down (1919)
- Yvonne from Paris (1919) Harley Pembroke
- The Gray Horizon (1919) John Furthman
- The Lone Wolf's Daughter (1919) Michael Lanyard
- Fools and Their Money (1919) Cholly Van Dusen
- The Illustrious Prince (1919) Count de la Mar
- What Every Woman Wants (1919) Marston Hughes
- Cowardice Court (1919) The Count
- Battling Jane (1918) The Crook
- The Devil's Wheel (1918) De Guise
- The Blindness of Divorce (1918) Stanley Merrill
- The Hope Chest (1918) Stoughton Lounsbury
- The Moral Law (1918) Donn Pedro
- The Flame of the West (1918)
- Salome (1918) Prince David
- Cheating the Public (1918) Chester Dowling
- The Scarlet Pimpernel (1917) Sir Andrew Ffoulkes
- Her Temptation (1917) Gerald Halsted
- To Honor and Obey (1917) Richard Hallam
- Perils of the Secret Service (1917)
- The Mysterious Mrs. Musslewhite (1917) Clubman
- Even As You and I (1917) Artist
- Conscience (1917) The Devil
- The Woman Who Would Not Pay (1917)
- For Liberty (1917) General Von Lentz
- American Methods (1917) Gaston, Duc de Bligny
- Rasputin, the Black Monk (1917) Alexus
- The Soul of Satan (1917) Joe Valdez
- The Man in the Trunk (1917)
- The Gay Lord Waring (1916) Mark Waring
- The Pool of Flame (1916) Chambret
- Langdon's Legacy (1916) Juan Maria Barada
- The Whirlpool of Destiny (1916) William Martin
- When the Wolf Howls (1916) Mark Marmus
- Liberty (1916) Manuel Leon
- A Conflicting Conscience (1916) Van Dusen
- The Girl of Lost Lake (1916) Wallace Harrison
- Hulda the Silent (1916)
- A Son of the Immortals (1916) Prince Michael Delgrade
- A Youth of Fortune (1916) Detective
- John Pellet's Dream (1916) Carter
- His World of Darkness (1916)
- Along the Malibu (1916) The Half Breed
- It Happened in Honolulu (1916) Lord Percy
- His Father's Rifle (1915) Higgens
- The Road to Paradise (1915) Chambret
- When a Queen Loved O'Rourke (1915) Chambret
- The New Adventures of Terence O'Rourke (1915) Chambret
- Gilded Youth (1915) Sam Wellbridge
- The Bridge of Time (1915)
- The Coyote (1915) Rodney - the Carpenter's Son
- The Circular Staircase (1915) Dr. Walker
- The Palace of Dust (1915) Chambret
- Writer (1 credits)
