: Community-rated "top" episodes frequently include the pilot, " That Disco Episode ," and " A New Hope ". Cast & Characters The main cast remains a major draw for the show: Eric Forman (Topher Grace) Donna Pinciotti (Laura Prepon) Michael Kelso (Ashton Kutcher) Jackie Burkhart (Mila Kunis) Steven Hyde (Danny Masterson) Fez (Wilmer Valderrama) My 30 Most Favorite Episodes of "That '70s Show". - IMDb