Mel Welles (1924–2005) was an American actor. He had the distinction of playing Mr. Mushnick in Roger Corman's original film version of The Little Shop of Horrors.
Welles was also a film director. His directing credits include Island of the Doomed (aka Maneater of Hydra) starring Cameron Mitchell, and Hello Glen Ward, House Dick starring Ray Danton. Code of Silence, the first feature film that Welles directed, featured Bruno VeSota and Ed Nelson.
- The Undead (Experiment #806) - as Digger Smolkin
- Wizards of the Lost Kingdom II (Experiment #1111) - as Caedmon
- The Little Shop of Horrors (RiffTrax) - as Gravis Mushnick