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| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1947 | No soy culpable | ★★★☆☆ | |
| 1943 | Una cabaña en el cielo | Soloist in 'Little Black Sheep' (uncredited) | ★★★☆☆ |
| 1933 | Thundering Taxis | Salesman | ☆☆☆☆☆ |
| 1932 | Haciendo de las suyas | Piano Salesman (uncredited) | ★★★★☆ |
| 1931 | Helping Grandma | Billy | ★★★☆☆ |
| 1929 | Double Whoopee | Hotel manager | ★★★☆☆ |
| 1929 | Wrong Again | Horse owner | ★★★☆☆ |
| 1928 | Horse Shy | Gillroy Gibbs | ★★★★☆ |
| 1926 | Wandering Papas | Construction Worker (uncredited) | ★★★☆☆ |
| 1926 | Cómicos que pasan | Jack Hastings (uncredited) | ★★★★☆ |
| 1926 | Madame Mystery | ★★★☆☆ | |
| 1926 | Bromo and Juliet | The Great Brandenburg - Stage Magician (uncredited) | ★★★☆☆ |
| 1925 | Chasing the Chaser | Salesman | ★★★☆☆ |
| 1925 | Innocent Husbands | The Bachelor | ★★★☆☆ |
| 1925 | Is Marriage the Bunk? | Patent medicine salesman | ★★★☆☆ |
| 1925 | Sure-Mike! | The New Manager | ☆☆☆☆☆ |
| 1925 | The Rat's Knuckles | Jimmy's rival | ★★★☆☆ |
| 1925 | Should Sailors Marry? | Train Passenger | ★★★☆☆ |
| 1925 | Your Own Back Yard | Man in Quarrelsome Couple | ★★★☆☆ |
| 1925 | Moonlight and Noses | ★★☆☆☆ | |
| 1925 | Sherlock Sleuth | Haughty Guest | ☆☆☆☆☆ |
| 1924 | The Poor Fish | ★★★☆☆ | |
| 1924 | The Cowboy Sheik | Fiddler at party | ★★★☆☆ |
| 1924 | Smithy | The Boss | ★★★☆☆ |
| 1924 | Zeb vs. Paprika | ★★★☆☆ | |
| 1924 | Wide Open Spaces | ★★★☆☆ | |
| 1924 | Brothers Under the Chin | ★★★☆☆ | |
| 1924 | All Wet | Other Driver | ★★★☆☆ |
| 1924 | Why Men Work | ☆☆☆☆☆ | |
| 1924 | The Goofy Age | ☆☆☆☆☆ | |
| 1924 | Postage Due | C.W. Lyons - Chief Postal inspector | ★★★☆☆ |
| 1923 | Dogs of War! | Director of 'Should Husbands Work?' | ★★★☆☆ |
| 1923 | Dear Ol' Pal | Ebben Tizzle | ☆☆☆☆☆ |
| 1923 | It's a Gift | Weller Pump, oil executive | ★★★☆☆ |
| 1923 | Fully Insured | The Boss | ★★★☆☆ |
| 1923 | El hombre mosca | Ambulance Driver | ★★★★☆ |
| 1923 | It's a Joy! | Movie Actor | ☆☆☆☆☆ |
| 1923 | ¡Venga alegría! | Ship's Officer (uncredited) | ★★★☆☆ |
| 1923 | Pico y pala | The Boss | ★★★☆☆ |
| 1923 | Sold at Auction | Aviator with False Teeth | ★★☆☆☆ |
| 1923 | White Wings | ★★★☆☆ | |
| 1923 | Her Dangerous Path | John Dryden | ☆☆☆☆☆ |
| 1923 | Under Two Jags | ★★★☆☆ | |
| 1923 | Scorching Sands | French officer | ★★★☆☆ |
| 1923 | The Green Cat | Fire Insurance Salesman | ☆☆☆☆☆ |
| 1922 | The Dumb-Bell | Abe Silverstein - Film producer | ★★★☆☆ |
| 1922 | Shine 'Em Up | Prison guard | ★★★☆☆ |
| 1922 | Do Me a Favor | A Fireman | ★★★☆☆ |
| 1922 | El doctor Jack | Card Player (uncredited) | ★★★☆☆ |
| 1922 | The Sleuth | The Prince | ☆☆☆☆☆ |
| 1921 | Now or Never | The Child's Daddy | ★★★☆☆ |
| 1921 | Among Those Present | Hard-Boiled Party | ★★★☆☆ |
| 1921 | Dodge Your Debts | Pub Patron | ★★★★☆ |
| 1921 | On Location | ☆☆☆☆☆ | |
| 1921 | Fifteen Minutes | ★★★☆☆ | |
| 1921 | Siempre fuerte | The Doctor (uncredited) | ★★★☆☆ |
| 1920 | Run 'Em Ragged | ★★★☆☆ | |
| 1920 | The Dippy Dentist | Cop | ★★★☆☆ |
| 1920 | His Royal Slyness | Courtier | ★★★☆☆ |
| 1920 | Tribulaciones | The Lawyer (uncredited) | ★★★☆☆ |
| 1920 | Any Old Port | ☆☆☆☆☆ | |
| 1920 | Harold, el nuevo doctor | (uncredited) | ★★★☆☆ |
| 1920 | Raise the Rent | ★★★☆☆ | |
| 1920 | Mi lindo auto | Dope Fiend (uncredited) | ★★★☆☆ |
| 1919 | Looking for Trouble | Undertaker | ★★★☆☆ |
| 1919 | Do You Love Your Wife? | Elmer - the faithless husband | ★★★☆☆ |
| 1919 | Next Aisle Over | (uncredited) | ★★★☆☆ |
| 1918 | An Ozark Romance | ☆☆☆☆☆ | |
| 1918 | Take a Chance | ★★★☆☆ | |
| 1918 | Hey There | Actor | ★★★☆☆ |
| 1918 | Pipe the Whiskers | ★★★☆☆ | |
| 1918 | The City Slicker | ★★★☆☆ | |
| 1918 | Look Pleasant, Please | The Photographer (uncredited) | ★★★☆☆ |
| 1918 | Bride and Gloom | ☆☆☆☆☆ | |
| 1918 | It's a Wild Life | ★★★☆☆ | |
| 1918 | Bees in His Bonnet | ☆☆☆☆☆ | |
| 1918 | Somewhere in Turkey | ★★★☆☆ | |
| 1918 | That's Him | ★★★☆☆ | |
| 1917 | The Flirt | ★★☆☆☆ | |
| 1917 | Bliss | Cop / Violinist | ★★☆☆☆ |
| 1917 | Charlot en el balneario | Patient (uncredited) | ★★★☆☆ |
| 1917 | Charlot emigrante | Violinist (uncredited) | ★★★★☆ |
| 1917 | Move On | ★★☆☆☆ |
Películas destacadas de William Gillespie
Estas son las películas más destacadas en las que ha trabajdo:
