Back to the Future Part III— Full Cast
1990
Cast (15)

Michael J. Fox
as Marty McFly / Seamus McFly

Christopher Lloyd
as Doctor Emmett Brown

Mary Steenburgen
as Clara Clayton

Thomas F. Wilson
as Buford 'Mad Dog' Tannen / Biff Tannen

Lea Thompson
as Maggie McFly / Lorraine McFly

Elisabeth Shue
as Jennifer

Matt Clark
as Bartender

Richard Dysart
as Barbwire Salesman

Pat Buttram
as Saloon Old Timer

Harry Carey, Jr.
as Saloon Old Timer

Dub Taylor
as Saloon Old Timer

James Tolkan
as Marshal Strickland

Marc McClure
as Dave McFly

Wendie Jo Sperber
as Linda McFly

Jeffrey Weissman
as George McFly