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| Año | Título | Personaje | Valoración |
|---|---|---|---|
| 1945 | Perversidad | Employee (uncredited) | ★★★★☆ |
| 1945 | ¿Ángel o diablo? | San Francisco Hotel Clerk (uncredited) | ★★★☆☆ |
| 1943 | The Mad Ghoul | 1st Cemetery Caretaker | ★★★☆☆ |
| 1943 | Idaho | Jim Stevens | ★★★☆☆ |
| 1943 | Captive Wild Woman | Coroner (uncredited) | ★★★☆☆ |
| 1943 | Batman | Martin Warren | ★★★☆☆ |
| 1942 | The Living Ghost | Walter Craig | ★★☆☆☆ |
| 1942 | The Secret Code | Mr. Stevens | ★★☆☆☆ |
| 1942 | Frisco Lil | ★★★★☆ | |
| 1942 | Sabotaje | Mr. Pearl (uncredited) | ★★★☆☆ |
| 1942 | Eyes of the Underworld | Chemist (uncredited) | ★★☆☆☆ |
| 1941 | A Shot in the Dark | Hotel Manager (uncredited) | ★★★☆☆ |
| 1941 | Mr. District Attorney | Merchants Bank Manager | ★★★☆☆ |
| 1941 | Tom, Dick y Harry | Music Store Proprietor (uncredited) | ★★★☆☆ |
| 1941 | They Meet Again | Judge Ed Ellis | ★★★☆☆ |
| 1940 | Tormenta mortal | 4th Colleague | ★★★★☆ |
| 1940 | The Man Who Wouldn't Talk | Juror | ★★☆☆☆ |
| 1940 | Abe Lincoln in Illinois | Minor Role (uncredited) | ★★★☆☆ |
| 1940 | Saturday's Children | Joe - Clerk Hurt in Elevator (uncredited) | ★★★☆☆ |
| 1940 | An Angel from Texas | Third Banker | ★★☆☆☆ |
| 1940 | Gambling on the High Seas | City Editor (uncredited) | ★★☆☆☆ |
| 1940 | A Fugitive from Justice | Calhoun | ★★☆☆☆ |
| 1940 | Private Affairs | Operator (uncredited) | ☆☆☆☆☆ |
| 1940 | Teddy the Rough Rider | 3rd Slum Lord | ★★★☆☆ |
| 1939 | Dos mujeres y un amor | Yawning Hospital Attendant (uncredited) | ★★★★☆ |
| 1939 | Caballero sin espada | Angry Committee Member (uncredited) | ★★★★☆ |
| 1939 | That's Right - You're Wrong | Producer (Uncredited) | ★★★☆☆ |
| 1939 | Fixer Dugan | Henry Brown | ★★★☆☆ |
| 1939 | Blondie Takes a Vacation | Bakery Creditor (uncredited) | ★★★☆☆ |
| 1939 | Unión Pacífico | Gov. Stafford (uncredited) | ★★★☆☆ |
| 1939 | Cafe Society | Doctor | ★★★☆☆ |
| 1939 | Our Leading Citizen | Doctor | ☆☆☆☆☆ |
| 1939 | Woman Doctor | Dr. Martin | ★☆☆☆☆ |
| 1938 | La última vez que me casé | Man | ★★★☆☆ |
| 1938 | Say It in French | Mr. Nolan | ☆☆☆☆☆ |
| 1937 | Una nación en marcha | Minor Role | ★★☆☆☆ |
Películas destacadas de Gus Glassmire
Estas son las películas más destacadas en las que ha trabajdo:
