KEIR DULLEA: Stars as Devon
GAY ROWN: Stars as Rachel
ROBIN WARD: Stars as Garth
DOUGLAS TRUMBULL: Executive Producer
JEROME M. ZEITMAN: Co-Executive Producer
WILLIAM DAVIDSON: Producer
ED RICHARDSON: Associate Producer
NORMAN KLENMAN: Executive Story Consultant
JACK McADAM: Art Director/Production Designer
BEN BOVA: Technical Advisor
STERLING HAYDEN: Guest Star on "Voyage of Discovery"
FRANK CONVERSE: Guest Star on "Lazarus From the Mist"
BARRY MORSE: Guest Star on "The Goddess Calabra"
JOHN COLICOS: Guest Star on "The Goddess Calabra"
LLOYD BOCHNER: Guest Star on "The Pisces"