James Dean
Natalie Wood
Sal Mineo
Jim Backus
Ann Doran
Corey Allen
William Hopper
Rochelle Hudson
Dennis Hopper
Edward Platt
James Dean as Jim Stark
Natalie Wood as Judy
Sal Mineo as John 'Plato' Crawford
Jim Backus as Frank Stark
Ann Doran as Mrs. Carol Stark
Corey Allen as Buzz Gunderson
William Hopper as Judy's Father
Rochelle Hudson as Judy's Mother
Dennis Hopper as Goon
Edward Platt as Ray Fremick
Steffi Sidney as Mil
Marietta Canty as Crawford family maid
Virginia Brissac as Mrs. Stark, Jim's grandmother
Beverly Long as Helen
Ian Wolfe as Dr. Minton (lecturer at planetarium)