Sharing the news of the casting, Lionsgate co-president Erin Westerman said: "Kieran’s scene-stealing presence and undeniable charm are perfect for Caesar Flickerman, the sickeningly watchable host of Panem’s darkest spectacle. Stanley Tucci made Caesar unforgettable — and now Kieran will make the role entirely his own."

The newly crowned Oscar winner takes on a role previously played by Stanley Tucci for the series' prequel film

Elle Fanning has been cast as Effie Trinket in Sunrise on the Reaping, following rumors of this casting and significant fan support.