Peter Hyams

as Himself

Arthur C. Clarke

as Himself

Roy Scheider

as Himself

Helen Mirren

as Herself

Bob Balaban

as Himself

Keir Dullea

as Himself

John Lithgow

as Himself

Syd Mead

as Himself

Richard Edlund

as Himself

Albert Brenner

as Himself

Michael Westmore

as Himself