On screen
Cast
12 credited performers
Bradford Dillman
Dobler
Priscilla Barnes
Claire
Daryl Haney
O'Neill
Artwork unavailable
Mel Ryane
Barbara
Eb Lottimer
Seaver
Artwork unavailable
Gregory Sobeck
Engel
Richard Young
Chadwick
Stephen Davies
Fernandez
John Lafayette
Shuttle commander
Artwork unavailable
Michael Adams
Shuttle crewman
Artwork unavailable
Karen Winograd
Shuttle crewwoman
Roger Corman
Corporate executive (uncredited)