Jessica Parker Kennedy found filming the special effects for Medusa in Percy Jackson and the Olympians to be a major CGI challenge. Aryan Simhadri, who plays Grover, will also have to deal with discomfort from special effects, such as wearing a mo-cap suit for his satyr character. Filming in the Underworld and working with CGI sets can be difficult for both actors and VFX teams, as there are no practical elements to ground the scenes.

Jessica Parker Kennedy, who plays Medusa in the Disney+ show Percy Jackson and the Olympians, didn't have much fun with the show's special effects. The fantasy elements of the series require a lot of special effects. Percy Jackson and the Olympians follows the titular character as he learns that his absent father is actually a Greek god, and he gets a crash course in his demigod heritage. Each season of the series is expected to...