Which human characters you want to see in Transformers 3? From the classic: Sam Witwicky. Mikaela Banes. Léo Spitz. Judy Witwicky. Ron Witwicky. Cap. William Lennox. Srgt. Richard Epps. Graham. Fig. Reggie Simmons. John Keller. Sarah Lennox. Theresa Epps. And the new ones: Casey Spencer - Mikaela's roomate on college. Léo's love interest. Jack Banes - Mikaela's father.