A wealthy woman who becomes captivated by Dave's racing abilities. She recruits him for a cross-country night race without revealing the illegal moonshine smuggling involved. As Charlie Bigg's partner, she harbors romantic feelings for Dave, ultimately choosing him over Charlie and departing with him after the final race.
Martha's attraction develops into the film's concluding romantic pairing.
Martha becomes captivated by Dave's racing abilities, and the ending states that Dave drives off into the sunset with Martha.
They jointly operate the moonshine-smuggling enterprise.
Martha and Charlie Bigg are described as partners in the moonshining operation and are pleased with Dave's smuggling results.
Explore the full interactive character relationship map of Fireball 500