Stefan Ashton Frank is a voice actor for The Amazing World of Gumball. Starting in Season 2, he voices Tina Rex and Mr. Robinson along with several other background characters. He is best known for his voice-over work on British advertisements, mainly on ads for Channel 4.
- He worked on Thomas & Friends: Misty Island Rescue which starred Kerry Shale and Teresa Gallagher. Rupert Degas additionally worked on Thomas & Friends.