"The commander of a spaceship orbiting 250 miles above Earth disappears through the airlock and is ejected into space. Although at first it appears to have been an accident, some of the crew come to suspect that it may have actually been a murder."
George Maharis
as Dr. Dan Summit
Cameron Mitchell
as Arnold Chester
Margaret O'Brien
as Pam Rhodes
Robert Walker Jr.
as Major Barry Wolfe
Susan Oliver
as Carla Burke
Jeremy Slate
as Cliff Rocky Rhodes
William Bryant
as Major Doc Henry
Lynnette Mettey
as
John Carter
Jason Wingreen
Arch Whiting
Don Knight
as Dr. King
Sandy Kenyon
as Dr. Hart
Lou Shaw
Writer
Charles S. Dubin
Director
George Kleinsinger
Original Music Composer
George Spiro Dibie
Director of Photography
Ronald Lyon
Associate Producer
Howard Lipstone
Executive In Charge Of Production
Producer
Alan Landsburg
Executive Producer
Laurence D. Savadove
Kay Hoffman