Rock-a-Bye Bear Spike gets a job running the house for a hibernating bear. Only problem is that same bear is VERY noise-sensitive, and Spike's got a rival that wants his job. Details Casts Galleries Posters Title Rock-a-Bye Bear Release Date 1952-07-12 Runtime 00 Hours 07 Minutes Genres Animation Comedy Production Companies MGM Cartoon Studio, Quimby-Hanna/Barbera Production Countries United States of America Daws Butler... Dog Pound Proprietor / Jo... Bill Thompson... Spike (voice)... Original Size (1424x801) Original Size (780x1170) Original Size (500x750)