Robin Groves as Lauren Cochran

Christopher Loomis as Mark Felton

Michael David Lally as Daniel Griffith

John Carradine as Col. LeBrun

Bill Rowley as Frank Beasley

David Tabor as Abner Welles

Patrick Farrelly as Dr. Webb

Bobo Lewis as Catherine Beasley

June Berry as Saphire

Ann Varley as Gwen

Cecile Liebman as Helga

Ron Levine as Leland LeBrun

Bruce Kronenberg as Young Abner

Jim Nixon as Young Frank

James Saxon as Earl

Jeffrey B. McLaughlin as Butler (as Jeffrey McLaughlin)

James Hayden as GI #1

Jery Hewitt as GI #2 (as Jerry Hewitt)

Cliff Cudney as Sheriff

Lee Steele as Doctor

Gloria Grahame as Florinda Costello