| EXPERIMENT | ROLE | |
|---|---|---|
| EXPERIMENT 105 | THE CORPSE VANISHES (1942) | Dr. Foster (as Tris Coffin) |
| EXPERIMENT 106 | THE CRAWLING HAND (1963) | Security Chief Meidel (as Tristam Coffin) |
| EXPERIMENT 520 | RADAR SECRET SERVICE (1950) | Michael |
| EXPERIMENT 702 | THE BRUTE MAN (1946) | Police Lieutenant (uncredited) |