TORONTO -- Action film star Jackie Chan has signed on as an executive producer for the upcoming Canadian animated film "Once Upon a Zodiac."
Toonbox Entertainment and GAMA Entertainment say the "Rush Hour" star will also lend his voice to the film, which is currently in production in Toronto.
The film features a mystical, wondrous world populated with the animals of the zodiac.
Producers say Chan will voice an elderly cat.
The story follows a tiger, rat and dragon -- representing strength, smarts and courage -- as the trio sets out to solve mysteries.
Toonbox Entertainment is Toronto-based while GAMA Entertainment is in Los Angeles.
Chan's previous voice work includes in "The Nut Job 2: Nutty By Nature" and the "Kung Fu Panda" franchise.