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