‘Invincible’: Steven Yeun & J.K. Simmons Top Loaded Voice Cast For Robert Kirkman’s Animated Amazon Series

Steven Yeun and J.K. Simmons have been set to lead an A-list voice cast of Invincible , Amazon Prime Video’s eight-episode animated series adapting Robert Kirkman ‘s comic book series. Amazon greenlighted the hourlong series last June and is now planning to premiere it globally in 2020.