Viola Davis is the latest name to be added to the cast of upcoming film Suicide Squad.

The actress will play the role of Amanda Waller in the movie, which is expected to be released next year.

The DC Comics flick features a number of villains and the likes of Jared Leto and Will Smith are already confirmed.

Leto will play the role of the Joker and he recently told Billboard:

"The opportunity to take on this nearly Shakespearean character - that's what graphic novels and comic books are becoming, right? [He's] this beautiful disaster of a character - what a big challenge."

The singer added that he is trying to put on weight for the movie's filming.

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Watch Viola Davis in action below: