Jeff Richards

Mark Bradley

John Smith

Joe Walker

Venetia Stevenson

Venus

Alan Napier

Dr. Paul Lujan

Diane Jergens

Urana

June Blair

Mercuria

Gavin Muir

Dr. McBain

GE

George Brand

M. Hugh Garland

VE

Vern Taylor

Co-Pilot (uncredi...

TO

Tom Riley

Co-Pilot (uncredi...

BO

Bob Stratton

Pilot (uncredited)