Marcia Mae JonesBetty - Fender's Secretary Douglas FowleyFrederick P. 'Fred' Fender William ForrestDeputy Fire Chief / Narrator Steve PendletonMurph, the undercover man (as Gaylord Pendleton) Byron FoulgerThomas Peyson Emmett VoganAl, Night Watchman Richard DavidJunior Peyson John ForsytheRace Track Aannouncer (voice, uncredited) William StephensProductor Martin ObzinaArt Direction Joseph KishSet Decoration Carl BergerDirector Of Photography Melville ShyerAsistente de dirección Raoul KraushaarCompositor de música original Frank W. MoranSound Mixer William Randall Sr.Sound Mixer 
