Flies!? Flies!? Poor puny things! Who wants to eat flies?

Question

You do you Loony.
Not when I can get nice fat spiders!

Name that Movie.

Answer 1

...you know, Dwight Frye was so delectably looney in the role of Renfield...I think, at certain moments in the film, he almost virtually stole the show from Bela Lugosi!!!

...anyways, you're talking about the 1931 Universal horror classic, "Dracula"...