I was considering, for a second, going with Clopin in Hunchback, but the MVPs in that movie are surely, besides CL and MO'H, Cedric Hardwicke, Walter Hampden, and Harry Davenport. And maybe Fritz Leiber.

He's great in Hunchback but it's true, there's like seven other great performances ahead of him (mostly because the parts were more substantial, not because the actors were more talented)

*whispers* And Minna Gombell.