Heroes of the Golden Mask is a 2023 Canadian animated film directed by Sean O'Reilly. It features the voices of Patton Oswalt, Byron Mann, Ron Perlman, Osric Chau and Christopher Plummer in his final film role before his death in 2021.
Plummer completed his voice work before his death on February 5, 2021.
Gravitas Ventures released the film on digital on June 9, 2023.
The film has a 14% rating on Rotten Tomatoes based on seven reviews.