Tweety / Sylvester/ House Detective / Dog / Mouse (voice)
Mel Blanc
Granny (voice) (uncredited)
Bea Benaderet
Director
Friz Freleng
Layout Supervisor
Paul Julian
Animation
Arthur Davis
Background Designer
Hawley Pratt
Story
Warren Foster
Tedd Pierce
Producer
Edward Selzer
Original Music Composer
Eugene Poddany
Editor
Treg Brown
Sound Effects Editor
Ken Champin
Manuel Perez
Virgil Ross