Characters played by Michael Rennie
Garth A7
Characters played by Karen Steele
Dr. Sharon Mason
Characters played by Wendell Corey
Sheriff
Characters played by Warren Stevens
Dr. Carl Zellar
Characters played by Eduard Franz
Prof. Sigmund Marx
Characters played by Harry Carey Jr.
Jay C
Characters played by Adam Roarke
Deputy Dan
Characters played by Chubby Johnson
Uncle Pete
Characters played by Tyler MacDuff
Sam Gilmore
Characters played by Dale Van Sickel
Tracer #1
Characters played by Troy Melton
Tracer #2
Characters played by James Hibbard
Rick
Characters played by Sherry Alberoni
Laura Zellar
Characters played by Betty Jane Royale
Jill
Characters played by John Beck
Skinny
Characters played by Shug Fisher
Short Station Attendant
Characters played by James Kline
Tall Station Attendant
Characters played by Charles Evans
Andrew
Characters played by JoAnne Gaylord
Andrew's Wife
Characters played by Ted Ryan
Gate Guard
Characters played by Harry Hollins
Harry - Communications Officer
Characters played by Ruth Foster
Citizen in Crowd
Characters played by Larry Dean
Man In Control Booth
Characters played by Jo Ann Pflug
Woman in Control Booth
Characters played by Richard Travis
General
Characters played by Byron Morrow
Mr. Simmmons