Characters played by Richard Egan
Wade Cochran
Characters played by Peter Graves
Ben Barstow
Characters played by Joby Baker
Pete Patton
Characters played by Lois Nettleton
Rita Brown
Characters played by Harry Guardino
Danny O'Neill
Characters played by Julie Adams
Joan Simon
Characters played by Fernando Lamas
Francisco Rivera
Characters played by Alfred Ryder
Dr. Weatherly
Characters played by Karen Sharpe
Connie Lane
Characters played by Barbara Werle
Ann Dickson
Characters played by Lee Patterson
Dino Doretti
Characters played by Rodolfo Acosta
Manuel Sanchez
Characters played by Douglas Kennedy
Charles Kiley
Characters played by Don Stewart
Jim Walker
Characters played by Leonard Nimoy
Spence Atherton
Characters played by Tony Patino
Juan Hidalgo
Characters played by Otis Young
Dr. John Quincy
Characters played by Lisa Gaye
Margo York
Characters played by George Tyne
Forest Hart
Characters played by Larry Domasin
Indian Boy
Characters played by Eddie Little Sky
M'Tu
Characters played by William Phipps
Immigration Inspector
Characters played by Pamelyn Ferdin
Penny