After Los Angeles is invaded by an army of subterranean monsters, a small group of people must fight for survival in the deserted metropolis.
Robert Hutton
as Tom Gregory
Robert Burton
as Prof. Galbraith
Susan Hart
as Lisa Galbraith
Judee Morton
as Bonnie Galbraith
William Boyce
as Cal Johnson
Les Tremayne
as Norman Tolliver
John Close
as KTTV Reporter Vince Williams
Edward Finch Abrams
as Bum in Theater (uncredited)
Bob Herron
as Slime Person (uncredited)
Jock Putnam
as Slime Person (uncredited)
Tracy J. Putnam
as Dr. Timothy Brough (uncredited)
Blair Robertson
as Mrs. Castillo (uncredited)