Keith Gordon Arnie Cunningham John Stockwell Dennis Guilder Alexandra Paul Leigh Cabot Robert Prosky Will Darnell Harry Dean Stanton Rudolph Junkins Christine Belford Regina Cunningham Roberts Blossom George LeBay William Ostrander Buddy Repperton David Spielberg Mr. Casey Malcolm Danare Moochie Welch Steven Tash Richard Trelawney Stuart Charno Don Vandenberg Kelly Preston Roseanne Robert Darnell Michael Cunningham Douglas Warhit Bemis Richard Collier Pepper Boyd Bruce French Mr. Smith Jan Burrell Librarian Art Evans Auto Assembly Worker (uncredited) John Richard Petersen High School Student (uncredited)