Barbara Anderson
— Carla Stanley
Bert Convy
— Tim Vernon
Peter Graves
— Paul Whitley
Lorne Greene
— Marshall Cole
Season Hubley
— Anne Redding
Tina Louise
— Mae
George Maharis
— Les Phillips
Burgess Meredith
— Willy Basset
Doug McClure
— Hank Fairbanks
Martin Milner
— Lyle Kingman
Brock Peters
— Dr. Ralph Therman
Robert Reed
— Captain Jim Walsh
Susan Strasberg
— Nancy Kingman
Misty Rowe
— Angela Garland
Billy Crystal
— David
John de Lancie
— Bob Connors
Regis Philbin
— Harry Carter
Robert Ito
— Flight Engineer Roy Nakamura
Tom Stewart
— Eric Brent
Sherwood Price
— Mickey
Paul Napier
— Eddy
Tim Pelt
— Linus
Alain Patrick
— Controller Girard
Richard Derr
— Governor Stensky
Ric Carrott
— Reporter
Shawn Randall
— Passenger
Walter Maslow
— Passenger