Grant Mitchell averages 6.92 across 27 rated films as an actor, ahead of Nat Pendleton at 6.85.
Dot size shows IMDb votes. Films with fewer than 1,000 votes sit on the baseline.
| The Star Witness | 1931 | · | as Big Jack | as Pa Leeds |
| The Cat's-Paw | 1934 | 6.7 | as Strozzi | as Silk Hat McGee |
| The Garden Murder Case | 1936 | · | as Police Sgt. Ernest Heath | as District Attorney Markham |
| 6,000 Enemies | 1939 | · | as 'Socks' Martin | as Warden Parkhurst |
| On Borrowed Time | 1939 | 7.7 | as Mr. Grimes | as Mr. Pilbeam |
