Ritchie Valens
Bob Morales
Connie Valenzuela (as Rosana De Soto)
Rosie Morales
Donna Ludwig
Bob Keane
Ted Quillin
Buddy Holly
Jackie Wilson
Eddie Cochran
Lelo
Curandero
Chino
Mexican Ed
Rudy
Mr. Ludwig
Mrs. Ludwig
Alan Freed
Big Bopper
Bartender
Vera
Ernestine
Connie Jr. (as Kati Valdez)
Irma
Garbage Man (as Ernesto Hernandez)
Howard
Sound Engineer
Tommy Allsup (as Stephen Schmidt)
Sharon Sheeley
Donna's Girlfriend
Rosalinda
Mr. House
Trucker (as Art Koustik)
Mr. Caballero
Girl at Party
Baseball Announcer
Student
Student (as Mary Ann Tanedo)
Student (uncredited)
Featured Dancer (uncredited)
Dancer (uncredited)
Tall Blond Girl on Motorcycle (uncredited)
Fan (uncredited)
Man at Party (uncredited)
Student / Party Animal (uncredited)
Kid in the Street / kid in the Concert (uncredited)
Elderly Lady at Party (uncredited)