Pamela Franklin worked with Exotic Animal Trainer Ralph Helfer, who supplied the Tigers, before in The Lion (1962)
Sabu died of a heart attack before this film was released. He was only 39 years old and was pronounced in excellent health before his passing.
Unlike many films featuring an appearance by a tiger, the tiger who starred in in this film was fully grown. Two years later, this same cat made a brief appearance on Shore Leave (1966).