The show was home to two males Mitzie and Fritz, both purchased in 1941 from the Haag Brothers Circus. Mitzie later died there but Fritz went to the Mexico City Zoo in 1942 (via Snake King) and was featured there for many years.
The Mills Brothers Circus presented a single elephant act for years until acquiring six more in 1950: Lena, Dixie, Bunny & India from the Polack Brothers Circus and Ringling Trilby & Wallace Jenny from the Ringling show. This was the first of Hugo Schmitts four season stint with the Mills Brothers. The following season they acqured two more Ringling elephants, Minnie and Lelabardi. The herd had thinned by 1962 with only Burma, Bunny, Lelabardi, Jennie & Una (Little Burma) remaining. Minnie had left for Circus Vargas. Una had never been trained for the ring due to a crippled front leg.
In 1962, Jon "before Tarzan" Zerbini was the teenaged lion trainer with his Dad outside the cage. Col. Herriott had a 12 horse liberty act, the camels and llamas, and was also the announcer. Virgil "K.Y." Seagraves left part way through the 1962 season, leaving Lee Keener in charge of the herd.
Mills brought many acts to this country that went to RBBB later. Most shows including RBBB arrainged visas for the length of the contract leaving people to either leave the country or make new arrangements with INS on their own. Mills got the acts they brought in residence, or at least long term visas, allowing them to go on to other work in this country after finishing with Mills. Some of the people thus benifited had already had contact with RBBB and were able to get booked over there when at liberty.