"It's World War II and saboteurs are menacing Texas. Only singing cowboy Roy Rogers and his wonder horse Trigger can save the day!"
Roy Rogers, Smiley Burnette and the Sons of the Pioneers go undercover to help Texas Governor Russell Hicks stop World War II Axis sympathizers from blowing up U.S. warehouses.
Roy Rogers

Judy Mason

Frog Millhouse

Ruby Smith

Maurice

Dave Mason

Kraley

Texas Governor

Bob

Pat - Member Sons of the Pioneers

Guitar Player - Sons of the Pioneers
Member Sons of the Pioneers

Member - Sons of the Pioneers
Fiddle Player - Sons of the Pioneers

Deputy Cluckas

Duke Wilson, outlaw

Henchman Buxton

Joe the Café Owner

Joe the Prop Man

Parade Spectator

Garage Henchman

Car Wreck Henchman

Spectator
Audience Member

Wilson Henchman

Townsman
Tex, man tied up in car front
Bridge Henchman

Car Wreck Signal Man
Bryson

Businessman

State Line Outlaw

Texas Sheriff

Telegrapher
Arkansas Sheriff

Ike

2nd Usher

George Smedley
Mrs. Sophie Smedley

Juggler Clown

State Line Bartender

Bridge Henchman

Parade Rider / Show Spectator
Parade Rider
Bridge Henchman

Agent with Governor in Car

Carnival Worker

Bridge Henchman

Townsman

Governor's Chauffeur

Businessman

Guard
Governor's Representative at Parade

Parade Spectator
Camp Guitarist
Businessman

Burly Usher

Man Tied Up in Car Backseat

Trigger

Gang's Audience Plant

Hershel

Audience Member
Parade Spectator