Biografía no disponible
| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1936 | El bosque petrificado | Jim (uncredited) | ★★★★☆ |
| 1936 | Muñecos infernales | Eiffel Tower Elevator Operator (uncredited) | ★★★☆☆ |
| 1933 | Mush and Milk | Cap | ★★★☆☆ |
| 1933 | Call Her Sausage | Otto - a Musician (uncredited) | ★☆☆☆☆ |
| 1933 | La mujer preferida | Muscian (uncredited) | ★★★☆☆ |
| 1933 | Goldie Gets Along | Jailer | ★★☆☆☆ |
| 1933 | The Secret of Madame Blanche | Desk Clerk (Uncredited) | ★★☆☆☆ |
| 1933 | Elmer, the Great | Nosey Townsman (uncredited) | ★★☆☆☆ |
| 1932 | Errores de juventud | Art School Concierge (uncredited) | ★★☆☆☆ |
| 1932 | Cinemanía | Janitor (Uncredited) | ★★★☆☆ |
| 1932 | When a Feller Needs a Friend | Abraham | ★☆☆☆☆ |
| 1932 | Un ladrón en la alcoba | Elderly Servant (uncredited) | ★★★★☆ |
| 1931 | Penrod and Sam | Violinist at Birthday Party (uncredited) | ★★★☆☆ |
| 1931 | El optimista | Mr. Tuttle - Railroad Stationmaster | ☆☆☆☆☆ |
| 1931 | Stranger in Town | Townsman / Customer | ★★☆☆☆ |
| 1930 | The Fighting Parson | Stagecoach Passenger (uncredited) | ☆☆☆☆☆ |
| 1930 | The Head Guy | Uncle (uncredited) | ★★☆☆☆ |
| 1930 | Loose Ankles | Mr. Berry from Walla Walla | ★★☆☆☆ |
| 1930 | La senda del crimen | Shop Owner (uncredited) | ★★★☆☆ |
| 1930 | The Happy Hottentots | Old Man at Boarding House (uncredited) | ★★★☆☆ |
| 1930 | Que pague el diablo | Pet Shop Owner (uncredited) | ★★★☆☆ |
| 1929 | Mister Antonio | ★★★☆☆ | |
| 1928 | Dad's Choice | ★★★★☆ | |
| 1928 | Relámpago | Civil War Veteran (uncredited) | ★★★★☆ |
| 1928 | Coney Island | Jingles Wellman | ☆☆☆☆☆ |
| 1928 | El arca de Noé | Manager of Belgian Theater Troup (uncredited) | ★★★☆☆ |
| 1928 | Love's Young Scream | ☆☆☆☆☆ | |
| 1928 | El viento | Old Man at Dance Hall (uncredited) | ★★★★☆ |
| 1927 | The First Auto | Barber | ★★☆☆☆ |
| 1926 | Cómicos que pasan | Audience Member (uncredited) | ★★★★☆ |
| 1925 | El rey de los cowboys | General Store Owner (uncredited) | ★★★☆☆ |
| 1925 | El estudiante novato | Waiter Who Takes Harold's Pants (uncredited) | ★★★★☆ |
| 1924 | Stay Single | ★★★☆☆ | |
| 1923 | Carmen, Jr. | Bullfight Spectator | ★★★☆☆ |
| 1923 | El hombre mosca | Office Worker | ★★★★☆ |
| 1923 | Hustlin' Hank | ☆☆☆☆☆ | |
| 1923 | Second Hand Love | The Constable | ☆☆☆☆☆ |
| 1923 | The Girl I Loved | Neighbor Perkins | ☆☆☆☆☆ |
| 1922 | Watch Your Step | Jennifer Kimball | ☆☆☆☆☆ |
| 1920 | His Royal Slyness | King Razzamatazz / Bolshevik orator | ★★★☆☆ |
| 1920 | Why Wild Men Go Wild | Old man | ★★★☆☆ |
| 1920 | A Husband in Haste | The Doctor | ★★★☆☆ |
| 1920 | Homer Comes Home | The Grocer | ☆☆☆☆☆ |
| 1919 | Do You Love Your Wife? | ★★★☆☆ | |
| 1919 | Hacia Broadway | Desperate Spinster | ★★★☆☆ |
| 1919 | The Marathon | The Butler | ★★★☆☆ |
| 1919 | Don't Shove | Old Man | ★★★☆☆ |
| 1919 | A Sammy in Siberia | Ivan Whiski Broomsky - the Girl's Father (uncredited) | ★★★☆☆ |
| 1918 | An Ozark Romance | ☆☆☆☆☆ | |
| 1918 | Hey There | Bearded Actor | ★★★☆☆ |
| 1918 | Hit Him Again | ☆☆☆☆☆ | |
| 1918 | Fireman Save My Child | ★★★☆☆ | |
| 1918 | The City Slicker | Old man playing checkers | ★★★☆☆ |
| 1918 | Look Pleasant, Please | (uncredited) | ★★★☆☆ |
| 1917 | Love, Laughs and Lather | ☆☆☆☆☆ | |
| 1917 | Bliss | Bearded man | ★★☆☆☆ |
| 1917 | By the Sad Sea Waves | Old Man | ★★★☆☆ |
| 1917 | Lonesome Luke Loses Patients | ☆☆☆☆☆ | |
| 1917 | Lonesome Luke, Messenger | Boxing Instructor (uncredited) | ★★☆☆☆ |
| 1917 | Luke's Trolley Troubles | ☆☆☆☆☆ | |
| 1917 | Pinched | ★★★☆☆ | |
| 1917 | Over the Fence | (uncredited) | ★★★☆☆ |
| 1916 | A Watery Wooing | Professor Spoofledoo | ☆☆☆☆☆ |
Películas destacadas de Gus Leonard
Estas son las películas más destacadas en las que ha trabajdo:
