Richard Hatch
— Jan Berry
Bruce Davison
— Dean Torrence
Pamela Bellwood
— Annie
Floy Dean
— Dr. Vivian Sheehan
Denise DuBarry
— Susan
Priscilla Cory
— Linda
Kelly Ward
— Billy
Anne-Marie Martin
— Nancy
George D. Wallace
— Bill Berry
June Dayton
— Clara Berry
Dick Clark
— Self
Wolfman Jack
— The Jackal
Hank Brandt
— Dean Torrence, Sr.
Susan Sullivan
— Rainbow
Mike Love
— Self
Bruce Johnston
— Self
David Byrd
— Surgeon
Art Bradford
— Army Sergeant
Leonard Stone
— Herb Alpert
James Oliver
— Engineer
Noah Keen
— Jim Arlett
Vicki McLean
— Caroline
Inga Neilsen
— Kathy
Charles Pitt
— Soldier
Art Koulias
— Freddie
Jimmy D. Armstrong
— Lead Guitar Player - Papa Doo Run Run (uncredited)
Jan Berry
— Self (uncredited)
Kristine DeBell
— Girl at Birthday Party (uncredited)
Vincent Di Paolo
— Spectator (uncredited)
Gary Grubbs
— Lead Singer - Sons of the Pioneers (uncredited)