"A lonely boy becomes good friends with Ben, a rat. This rat is also the leader of a pack of vicious killer rats, killing lots of people."
Lee Montgomery
as Danny
Joseph Campanella
as Cliff Kirtland
Arthur O'Connell
as Bill Hatfield
Rosemary Murphy
as Beth Garrison
Meredith Baxter
as Eve Garrison
Kaz Garas
as Joe Greer
Paul Carr
as Kelly
Richard Van Vleet
as Reade
Kenneth Tobey
as Engineer
James Luisi
as Ed
Lee Paul
as Careu
Norman Alden
as Policeman
Scott Garrett
as Henry Gray
Arlen Stuart
as Mrs. Gray
Ric Drasin
as George
Frank Farmer
as Police Officer (uncredited)
Bob Harks
as Observer on Sidewalk (uncredited)
Bern Hoffman
as Truck Driver (uncredited)
Kenner G. Kemp
as Onlooker (uncredited)
John Rayner
as Hydrex Pest Controller (uncredited)
Leoda Richards
Tom Steele
as Fireman Covered with Rats (uncredited)
Hunter von Leer
as Police officer with camera (uncredited)
Phil Karlson
Director
Mort Briskin
Producer
Stephen Gilbert
Characters
Charles A. Pratt
Executive Producer
Ray Harp
Costume Design
Russell Metty
Director of Photography
Walter Scharf
Original Music Composer
Hazel Washington
Hairstylist
Harry Gerstad
Editor
Irving Lande
Casting
Gilbert Ralston
Writer
Mina Mittelman
Anthony Mondell
Set Decoration
Joel Briskin
Associate Producer
Rolland M. Brooks
Art Direction
Jack H. Young
Makeup Artist
Bob Minor
Stunts
Craig R. Baxley
Ed Shanley
Construction Coordinator
Floyd Joyer
Assistant Director
Unit Production Manager
Moe Di Sesso
Animal Coordinator
Earl C. Williman
Chief Lighting Technician
Richard Borland
Grip
Bud David
Special Effects
William Wainess
Property Master
Joan Eremin
Script Supervisor
Houseley Stevenson Jr.
Post Production Supervisor
James J. Klinger
Sound Editor
Jack K. Tillar
Music Editor
Leon M. Leon
Sound Recordist
David Dockendorf
Malcolm McNab
Musician
Maury Foladare
Unit Publicist
Bing Crosby