
During WWI, the Germans try to encourages and hires a band of certain Mexican guerrillas and bandits to make trouble on the Texas border and attack the Stonewall Farm. He plans this so the Americans will have no choice but to send more troops to Texas instead of Europe. Masterminding the plot is a German spy who has, at his disposal, the RX4, a specially equipped weapon-bearing automobile of awesome speed, but a U.S. Army lieutenant carries the day with his own fleet of Model T racers.
Cast

John David Carson
Lt. Matt Jones

Carol Bagdasarian
Coral Adams

Louis Nye
Fred Smith

Herb Edelman
Villa Nueva

Arte Johnson
Doc Bailey

John Doucette
Capt. Mundy
Jim McCullough Jr.
Pvt. Hansen

Bill Thurman
Sgt. Bond

Louisa Moritz
Hilda

Terry Wilson
Stonewall Adams
Marged Wakeley
Martha Adams

Pedro Gonzalez Gonzalez
Sanchez
Roy Tatum
Juan
John P. Fertitta
Little Cloud
Crew
Jim McCullough Sr.
Director, Writer
Jim McCullough Jr.
Screenplay
Lee Somerville
Novel
Robert Gordon
Editor

Dean Cundey
Cinematography
Stephen Sassen
Second Assistant Director

Debra Hill
Second Assistant Director
Dianne Kennedy
Costume Design
Cornelia Manuel
Makeup Artist
Cathy Dale
Makeup Artist
Beverly Gilbert
Makeup Artist
Angie Behrns
Makeup Artist
Frank Howard
Sound Effects Editor
Steve Shearsby
Sound Effects Editor
Dimitry Gortinsky
Sound Effects Editor
Andrew Herbert
Sound Effects Editor
John Post
Supervising Sound Editor
Thomas Causey
Sound Mixer
Maggie Causey
Sound
Joseph F. Brennan
Boom Operator
Conrad Rothmann
Special Effects

John "Bud" Cardos
Special Effects
Euel Box
Original Music Composer
Roger Pancake
Set Dresser
Dennis Flynn
Set Dresser
John Doucette Jr.
Props
Jack Jennings
Head Carpenter
John Perryman
Carpenter
Dick Ziker
Stunt Double
Karen Weber-Millstein
Property Master
Bill Baker
Production Manager
Charles L. Hughes
Art Direction