Atuação

• 1914
  Joseph and His Coat of Many Colors
• 1915
  Wormwood
• 1916
  The World Against Himcomo Dr. Hamilton WelshThe Salamandercomo Albert Sassoon
• 1917
  The Mark of Caincomo Judge HoytThe Public Defendercomo David MoultonThe Love That Livescomo Harvey BrooksThe Mystic Hourcomo ClaveringSaphocomo DejoieThe Fortunes of Fificomo Duvernet
• 1918
  Stake Uncle Sam to Play Your Handcomo KaiserLaughing Bill Hydecomo Black Jack BurgAll Womancomo Sam Tupper
• 1920
  The Great Lovercomo Jean PaurelOld Dadcomo Jeffrey Bretton
• 1921
  Cappy Rickscomo Skinner (as John Sainpolis)Os Quatro Cavaleiros do Apocalipsecomo Etienne Laurier
• 1922
  Shadowscomo Nate Snow
• 1923
  Held to Answercomo Hiram BurbeckWoman-Proofcomo Milo Bleech (as John Sainpolis)The Social Codecomo Defense AttorneyThe Untameablecomo Dr. CopinThree Wise Foolscomo John CrawshayAlmas à Vendacomo ele próprio - Celebrity Actor in Commissary
• 1924
  The Dixie Handicapcomo DexterThe Rose of Pariscomo André du ValloisThe Alaskancomo Rossland (as John Sainpolis)Those Who Dancecomo MonahanMademoiselle Midnightcomo Colonel de Gontran (Prologue)Three Weekscomo The King
• 1925
  O Fantasma da Óperacomo Comte Philip de ChagnyPaint and Powdercomo Mark Kelsey (as John Sainpolis)My Lady's Lipscomo InspectorFolly of Vanitycomo Ridgeway (modern sequence)
• 1926
  The Lilycomo Comte de MaignyThe Greater Glorycomo Prof. Leopold Eberhardt (as John Sainpolis)
• 1927
  O Monstro do Circocomo Surgeon (sem créditos)Too Many Crookscomo Erastus Mason
• 1928
  The Power of Silencecomo Defense AttorneyA Woman's Waycomo Mouvet
• 1929
  Fast Lifecomo Andrew StrattonCoquettecomo Dr. John M. BesantWhy Be Good?como Pa Kelly
• 1930
  Captain Thundercomo PedroKismetcomo The Imam MahmudO Querido das Mulherescomo Don DiegoThe Bad Onecomo JudgeThe Three Sisterscomo JudgeIn the Next Roomcomo Philip VantineThe Melody Mancomo Von KemperGarotas Perigosascomo John Rountree
• 1931
  Heartbreakcomo U.S. AmbassadorThe Yellow Ticketcomo Passport Official at AirportThe Gay Diplomatcomo GeneralTheir Mad Momentcomo Hotel ManagerTransgressioncomo Serafin, Arturo's ButlerMen of the Skycomo Madeleine's FatherDoctors' Wivescomo Dr. Mark WyndramBeau Idealcomo Judge Advocate (as John M. St. Polis)O Código Penalcomo Dr. Rinewulf
• 1932
  The Match Kingcomo Banker (sem créditos)Call Her Savagecomo Doctor Consoling Nasa (Uncredited)The Gambling Sexcomo John TracyIf I Had a Millioncomo Glidden Associate (sem créditos)False Facescomo Dr. McDonaldThe Crusadercomo Robert HenleySymphony of Six Millioncomo Dr. SchifflenLena Riverscomo John NicholsGlória Amargacomo Dr. Niergardt
• 1933
  Notorious But Nicecomo John J. MartinCocktail Hourcomo French Police Investigator (sem créditos)King of the Arenacomo GovernorThe World Gone Madcomo Grover CromwellTerror Trailcomo Colonel Charles Ormsby
• 1934
  The President Vanishescomo Attorney General Davis (sem créditos)Guilty Parentscomo Defense attorney
• 1935
  Uma Noite na Óperacomo Opera Conductor (sem créditos)The Lady in Scarletcomo Jerome T. ShelbyDeath from a Distancecomo Prof. Trowbridge
• 1936
  Below the Deadlinecomo Mr. AbramsTrês Sobre a Pistacomo Sheriff Sam CorwinA Última Testemunhacomo JimThe Dark Hourcomo Dr. Munro
• 1937
  Mr. Sombracomo Caleb DelthernJungle Menacecomo Chandler ElliottParadise Islecomo CoxonO Herói da Fronteiracomo Doctor
• 1938
  Mr. Wong, Detetivecomo Carl RoemerThe Mysterious Ridercomo TownsmanPhantom Rangercomo Pat DoyleInternational Crimecomo Roger MortonSalesladycomo Crane
• 1939
  They Shall Have Musiccomo DavisBoys' Reformatorycomo Superintendent Keene
• 1940
  Haunted Housecomo SimkinsOn the Spotcomo Doc HunterRocky Mountain Rangerscomo Joseph MannersO Libertadorcomo Minor Role (sem créditos)
• 1942
  Sua Excia. O Réucomo Professor (sem créditos)