Dr. Jerkyl's Hide Two cockney canines chase Sylvester Cat into the lab of Dr. Jerkyl, where the cat drinks Hyde formula... Details Casts Galleries Posters Title Dr. Jerkyl's Hide Release Date 1954-05-07 Runtime 00 Hours 07 Minutes Genres Animation Comedy Family Horror Production Companies Warner Bros. Pictures, Warner Bros. Cartoons Production Countries United States of America Mel Blanc... Sylvester / Alfie (voice)... Stan Freberg... Chester (voice) (uncredit... Original Size (1280x720) Original Size (1440x810) Original Size (1000x1500) Original Size (600x900)