Michael J. Fox
Marty McFly / Marty McFly Jr. / Marlene McFly
Christopher Lloyd
Emmett Brown
Lea Thompson
Lorraine McFly
Thomas F. Wilson
Biff Tannen / Griff Tannen
Elisabeth Shue
Jennifer Parker
Jeffrey Weissman
George McFly
E. Casanova Evans
Video Waiter (Michael Jackson)
Jay Koch
Video Waiter (Ronald Reagan)
Charles Gherardi
Video Waiter (Ayatollah Khomeini)
Elijah Wood
Video Game Boy
John Thornton
Video Game Boy
Theo Schwartz
Hoverboard Girl
Lindsey Whitney Barry
Hoverboard Girl
Judy Ovitz
Antique Store Saleswoman
Stephanie Williams
Officer Foley
Neil Ross
Museum Narrator (voice)
Tamara Carrera
Jacuzzi Girl
Jennifer Brown
Basketball Kid
Irina Cashen
Basketball Kid
Angela Greenblatt
Basketball Kid
Cameron Moore
Basketball Kid
Justin Mosley Spink
Basketball Kid
John Erwin
Radio Sportscaster (voice)
Harry Waters, Jr.
Marvin Berry
David Harold Brown
Starlighter
Lloyd L. Tolbert
Starlighter
Granville 'Danny' Young
Starlighter
Joe Flaherty
Western Union Man
Marc McClure
Dave McFly (uncredited)
Mary Ellen Trainor
Officer Reese (uncredited)
Crispin Glover
George McFly (Archive Footage)
Clint Eastwood
Joe (Archive Footage)