Dominic Sandbrook

Himself - Presenter

Mark Gatiss

Himself - Narrator (voice)

Isaac Asimov

Himself (archive footage)

Paul Verhoeven

Himself

Peter Weller

Himself

Brian Aldiss

Himself

Haley Joel Osment

Himself

Hampton Fancher

Himself

Owen Paterson

Himself

William Shatner

Self

Nathan Fillion

Self

Zoe Saldaña

Self

Nichelle Nichols

Self

Ronald D. Moore

Self

Nicholas Meyer

Self

Arthur C. Clarke

Self (archive footage)

Keir Dullea

Self

Rick Carter

Self

Veronica Cartwright

Self

Ursula K. Le Guin

Self

Anthony Daniels

Self

Kenny Baker

Self

Edward Neumeier

Self

Alan Ladd Jr.

Self

Gale Anne Hurd

Self

Douglas Trumbull

Self

John Landis

Himself

Adam Rogers

Himself

John Carpenter

Self

Roland Emmerich

Himself

Joe Dante

Himself

Chris Carter

Himself

Phil Tippett

Self

William Gibson

Himself

Carl Sagan

Himself (archive footage)

Richard Dreyfuss

Self

Peter Coyote

Himself

Christopher Lloyd

Self

Neil Gaiman

Self

Michio Kaku

Self

Bob Gale

Self

Rian Johnson

Self

Kim Stanley Robinson

Self

Ed Solomon

Self

Alex Winter

Self

Karen Gillan

Self

David Tennant

Self

Steven Moffat

Self

Syd Mead

Self

Charlie Jane Anders

Self

David Webb Peoples

Self

Janet Peoples

Self

Rutger Hauer

Self

Edward James Olmos

Self

Scott Bakula

Self

Donald P. Bellisario

Self

Danny Rubin

Self

Audrey Niffenegger

Self