In some scenes the dialogue is repeated or dubbed. When the second airboat arrives the same lines are repeated, even though the actors are laughing and pointing, the dialogue doesn't match any of them.
All the animals in this movie are owned by Frank Weed. Frank Weed is actually a animal handler. The scenes showing the penned animals are actually filmed on Frank Weed's property in Florida.
The script was written in a single night.
Shot in seven days.
In the last reel, actor Doug Hobart, who plays Tartu who has come back to life, wears full length suntan pantyhose underneath his loincloth.