Mel Blanc
Speedy Gonzales / Sylvester / Various Mice (voice)
Mel Blanc
Speedy Gonzales / Sylvester / Various Mice (voice)
Stan Freberg
Mice (voice) (uncredited)
Friz Freleng
Director
Warren Foster
Story
Arthur Davis
Animation
Irv Wyner
Background Designer
Carl W. Stalling
Music Director
Ted Bonnicksen
Animation
Gerry Chiniquy
Animation
Hawley Pratt
Layout Supervisor