‘The Walking Dead’ star Jeffery Dean Morgan has joined the voice cast of Amazon’s animated superhero series ‘Invincible.’

Although there are no details on the role he will take on Morgan, posted to his Instagram account “Doing a little reading. Thanks to” #robertkirkman

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The story follows Steven Yeun’s Mark Grayson – a teenager whose father is the world’s most powerful superhero. On his 17th birthday, Mark begins to develop powers of his own and realizes he needs help to contain his powers, while also reckoning with his Dad’s less-than-perfect legacy.

J.K. Simmons voices his father Omni-Man whilst the voice cast includes Seth Rogen, Sandra Oh, Gillian Jacobs, Andrew Rannells, Zazie Beetz, Mark Hamill, Walter Goggins, Jason Mantzoukas, Zachary Quinto, Mahershala Ali, Melise, Kevin Michael Richardson, Grey Griffin, and Khary Payton.

Robert Kirkman, Simon Racioppa, David Alpert, and Catherine Winder executive produce.

Morgan will next be seen in the fourth season of Amazon Prime’s brutal superhero parody series ‘The Boys.’