Crossroads 1942
Rolle: Professor (uncredited)
John St. Polis
Keine Biografie verfügbar.
Mitgewirkt in (Filme)
Haunted House 1940
Rolle: Simkins
On the Spot 1940
Rolle: Doc Hunter
Rocky Mountain Rangers 1940
Rolle: Joseph Manners
Abe Lincoln in Illinois 1940
Rolle: Minor Role (uncredited)
Musik fürs Leben 1939
Rolle: Davis
Boys' Reformatory 1939
Rolle: Superintendent Keene
Mr. Wong, Detective 1938
Rolle: Carl Roemer
The Mysterious Rider 1938
Rolle: Townsman
Phantom Ranger 1938
Rolle: Pat Doyle
International Crime 1938
Rolle: Roger Morton
Saleslady 1938
Rolle: Crane
The Shadow Strikes 1937
Rolle: Caleb Delthern
Jungle Menace 1937
Rolle: Chandler Elliott
Paradise Isle 1937
Rolle: Coxon
Borderland 1937
Rolle: Doctor
Below the Deadline 1936
Rolle: Mr. Abrams
Three on the Trail 1936
Rolle: Sheriff Sam Corwin
Call of the Prairie 1936
Rolle: Jim
The Dark Hour 1936
Rolle: Dr. Munro
Die Marx Brothers in der Oper 1935
Rolle: Opera Conductor (uncredited)
The Lady in Scarlet 1935
Rolle: Jerome T. Shelby
Death from a Distance 1935
Rolle: Prof. Trowbridge
The President Vanishes 1934
Rolle: Attorney General Davis (uncredited)
Guilty Parents 1934
Rolle: Defense attorney
Notorious But Nice 1933
Rolle: John J. Martin
Cocktail Hour 1933
Rolle: French Police Investigator (uncredited)
King of the Arena 1933
Rolle: Governor
The World Gone Mad 1933
Rolle: Grover Cromwell
Terror Trail 1933
Rolle: Colonel Charles Ormsby
The Match King 1932
Rolle: Banker (uncredited)
Call Her Savage 1932
Rolle: Doctor Consoling Nasa (Uncredited)
The Gambling Sex 1932
Rolle: John Tracy
Wenn ich eine Million hätte 1932
Rolle: Glidden Associate (uncredited)
False Faces 1932
Rolle: Dr. McDonald
The Crusader 1932
Rolle: Robert Henley
Symphony of Six Million 1932
Rolle: Dr. Schifflen
Lena Rivers 1932
Rolle: John Nichols
Alias the Doctor 1932
Rolle: Dr. Niergardt
Heartbreak 1931
Rolle: U.S. Ambassador
The Yellow Ticket 1931
Rolle: Passport Official at Airport
The Gay Diplomat 1931
Rolle: General
Their Mad Moment 1931
Rolle: Hotel Manager
Transgression 1931
Rolle: Serafin, Arturo's Butler
Men of the Sky 1931
Rolle: Madeleine's Father
Doctors' Wives 1931
Rolle: Dr. Mark Wyndram
Beau Ideal 1931
Rolle: Judge Advocate (as John M. St. Polis)
Das Strafgesetzbuch 1931
Rolle: Dr. Rinewulf
Captain Thunder 1930
Rolle: Pedro
Kismet 1930
Rolle: The Imam Mahmud
A Devil with Women 1930
Rolle: Don Diego
The Bad One 1930
Rolle: Judge
The Three Sisters 1930
Rolle: Judge
In the Next Room 1930
Rolle: Philip Vantine
The Melody Man 1930
Rolle: Von Kemper
Party Girl 1930
Rolle: John Rountree
Fast Life 1929
Rolle: Andrew Stratton
Coquette 1929
Rolle: Dr. John M. Besant
Die keusche Sünderin 1929
Rolle: Pa Kelly
Marriage by Contract 1928
Rolle: Father
The Power of Silence 1928
Rolle: Defense Attorney
A Woman's Way 1928
Rolle: Mouvet
Der Unbekannte 1927
Rolle: Surgeon (uncredited)
Too Many Crooks 1927
Rolle: Erastus Mason
The Lily 1926
Rolle: Comte de Maigny
The Greater Glory 1926
Rolle: Prof. Leopold Eberhardt (as John Sainpolis)
The Far Cry 1926
Rolle: Count Filippo Sturani
Paint and Powder 1925
Rolle: Mark Kelsey (as John Sainpolis)
My Lady's Lips 1925
Rolle: Inspector
Das Phantom der Oper 1925
Rolle: Comte Philip de Chagny
The Dixie Handicap 1924
Rolle: Dexter
Folly of Vanity 1924
Rolle: Ridgeway (modern sequence)
The Rose of Paris 1924
Rolle: André du Vallois
In Every Woman's Life 1924
Rolle: Dr. Philip Logan
The Alaskan 1924
Rolle: Rossland (as John Sainpolis)
Those Who Dance 1924
Rolle: Monahan
Mademoiselle Midnight 1924
Rolle: Colonel de Gontran (Prologue)
Three Weeks 1924
Rolle: The King
Held to Answer 1923
Rolle: Hiram Burbeck
Woman-Proof 1923
Rolle: Milo Bleech (as John Sainpolis)
A Prince of a King 1923
Rolle: Mario
The Social Code 1923
Rolle: Defense Attorney
The Untameable 1923
Rolle: Dr. Copin
Three Wise Fools 1923
Rolle: John Crawshay
Souls for Sale 1923
Rolle: Self - Celebrity Actor in Commissary
The Hero 1923
Rolle: Andrew Lane
Shadows 1922
Rolle: Nate Snow
Cappy Ricks 1921
Rolle: Skinner (as John Sainpolis)
The Four Horsemen of the Apocalypse 1921
Rolle: Etienne Laurier
The Great Lover 1920
Rolle: Jean Paurel
Old Dad 1920
Rolle: Jeffrey Bretton
Stake Uncle Sam to Play Your Hand 1918
Rolle: Kaiser
Laughing Bill Hyde 1918
Rolle: Black Jack Burg
All Woman 1918
Rolle: Sam Tupper
The Mark of Cain 1917
Rolle: Judge Hoyt
The Public Defender 1917
Rolle: David Moulton
The Love That Lives 1917
Rolle: Harvey Brooks
The Mystic Hour 1917
Rolle: Clavering
Sleeping Fires 1917
Rolle: Edwin Bryce
Sapho 1917
Rolle: Dejoie
The Fortunes of Fifi 1917
Rolle: Duvernet
The World Against Him 1916
Rolle: Dr. Hamilton Welsh
The Yellow Passport 1916
Rolle: Fedia
The Salamander 1916
Rolle: Albert Sassoon
Wormwood 1915
Soldiers of Fortune 1914
Rolle: Pres. Alvarez