Fay Wray, best known for struggling in the clutches of King Kong, confronts rivals who use saboteur tactics to put the squeeze on the Federated Bus Lines she manages in Wildcat Bus. Wray is not the only woman in a position of power in this unusual B-movie: Behind the criminal organization that causes the breakdowns and accidents plaguing Federated's Los Angeles San Francisco route is tough. vinegary "Ma" Talbot (character actress Leona Roberts). Familiar screen actor Paul Guilfoyle (White Heat) portrays one of the bus line's newly hired drivers. And sharp-eyed classics fans will delight in seeing Joe Sawyer (TV's The Adventures of Rin Tin Tin) as one of Ma Talbot's heavies and uncredited Keye Luke ("Number One Son" in the Charlie Chan mysteries) and Minerva Urekal (TV's The Adventures of Tug Boat Annie) among the rogue company's passengers. - Playboy with limo racket falls for rival's daughter.