Sharon Gless
— Joanna Douglas
Dee Wallace
— Dr. Maureen Harris
Anne Archer
— Dr. Susan Keith Browning
David Ackroyd
— Col. Charlie King
Barnard Hughes
— Arthur Bennett
Paul Menzel
— David Harris
Gary Moody
— NASA Public Information Officer
Alex Harvey
— Randy
Alex Harvey
— Fred Canning
Dan Ammerman
— Jack Hamilton
Robin Moseley
— Newswoman
Jerry Biggs
— Bouyancy Supervisor
Theresa Graham
— Erin Harris
Nicole Fusselman
— Cybele Harris
Jo Perkins
— Dr. Elaine Carey