"Rocks from a meteor which grow when in contact with water threaten a sleepy Southwestern desert community."
Grant Williams
as Dave Miller
Lola Albright
as Cathy Barrett
Les Tremayne
as Martin Cochrane
Trevor Bardette
as Prof. Arthur Flanders
William Flaherty
as Police Chief Dan Corey
Harry Jackson
as Dr. Steve Hendricks
Richard H. Cutting
as Dr. E.J. Reynolds
Linda Scheley
as Ginny Simpson
Dean Cromer
as Highway Patrolman
Steve Darrell
as Joe Higgins
Paul Petersen
as Bobby
William Schallert
as Weatherman
Phil Harvey
as Ben Gilbert
Troy Donahue
as Hank Jackson
Carol Morris
as Nurse 1
Claudia Bryar
as Mrs. Simpson
Ezelle Poule
as Ethel
John Sherwood
Director
Norman Jolley
Screenplay
Robert M. Fresco
Story
Ellis W. Carter
Director of Photography
Jack Arnold
Leslie I. Carey
Sound
Joseph E. Kenney
Assistant Director
Frank H. Wilkinson
Joseph Gershenson
Music Supervisor
Howard Christie
Producer
Bud Westmore
Makeup Artist
Patrick McCormack
Editor
Clifford Stine
Visual Effects
Alexander Golitzen
Art Direction
Frank Brendel
Special Effects
William P. Tapp
Set Decoration
Russell A. Gausman
Henry Mancini
Original Music Composer
Marilyn Sotto
Costume Design
Robert Emmet Smith
Irving Gertz
Herman Stein
Bob Herron
Stunts
Harry L. Underwood
Camera Operator
Robert Pierce
Assistant Camera
