Boston Quackie Boston Quackie (Daffy Duck) is an American agent in Paris assigned to guard the valuable secret contents of a briefcase. A man in a green hat steals the briefcase and leads Quackie on a chase aboard the Cloak and Dagger Express. Details Casts Galleries Posters Title Boston Quackie Release Date 1957-06-22 Runtime 00 Hours 07 Minutes Genres Animation Comedy Production Companies Warner Bros. Cartoons Production Countries United States of America Mel Blanc... Boston Quackie (Daffy) / ... June Foray... Mary (voice) (uncredited)... Original Size (1280x720) Original Size (1001x1500) Original Size (1000x1500)