Casts
John Elerick
as Mark Gunnison
L.Q. Jones
as Hoyt Gunnison
Christine Belford
as Carla Winters
Van Williams
as Capt. Cochran
Laurette Spang
as Chris Morrison
David Hedison
as David Royce
William Lucking
as Niles
Randolph Powell
as Stan Cusek
Lou Frizzell
as Frank Bannock
John Karlen
as Kessler
