Christopher Lloyd
Dr. Emmett Brown
Thomas F. Wilson
Biff Tannen
Michael J. Fox
Marty McFly (archive footage)
David de Vos
Institute Scientist
Stephanie de Vos
Audience Scanning Device (voice)
William Guest
Institute Scientist
Michael Klastorin
Security Guard
Douglas Trumbull
IFT Scientist
Darlene Vogel
Heather / IFT Spokesperson
Frank Welker
Tyrannosaurus Rex (voice)