The rising star tells RTÉ Entertainment about playing the boxing legend in the new biopic - in cinemas from Friday 28 April.
Irish nominees including Brendan Gleeson, Colin Farrell, and Kerry Condon discuss this year's Oscars
Irish stars will be turning the red carpet green tonight at the Oscars in Los Angeles. Irish film and acting talent have secured a record 14 nominations in a sign of the growing confidence and reach of the industry here.
Dive into Irish films on RTÉ Player. Stream now: Home - RTÉ Player (rte.ie)
Dev Patel talks about his new action thriller Monkey Man
