Episode 5 of the Radio Play (from over 20 years ago). Professor When and His T.O.A.S.T.E.R. is now a feature-length movie Screenplay (with lots of variations from the Radio Play). Narrator: Shayne Bartlett. Susan: Susan McEwen. Trent: Trent Wilson. Professor When: Wayne Jarman. Odysseus: Shayne Bartlett. Achilles: Gareth Jarman. Patroclus: Wayne Jarman.