Who's Who in the Zoo [983547] Released: 1931-10-11 Revenue: $0 Budget: $0 Profit: $0 Runtime: 9 mins Popularity: 0.2447 Vote Average: 0 Vote Count: 0 Overview: Billy takes a trip to the the zoo with his wife and two sons. He is proud to show his knowledge about wild animals to his older son, who is preparing for an exam. Cast [5] Billy BevanFather Rosemary ThebyMother Spec O'DonnellHerbie - Son Billy BartyArthur Fred 'Snowflake' ToonesPark Worker with Trailers