He explained: 'We decided to do this waterfall scene where all these child soldiers were walking behind this massive waterfall. In Hollywood you would have just filmed a bit of water coming down and just shot people’s closeups but Cary Fukunaga, the director, decided to shoot it for real.'
He said: 'The stunt co-ordinator says, "Listen everyone this is a waterfall, that’s a 90, 100 foot drop down there and the ground is very slippery, just be careful!"
'I put my foot on this rock just to hang out and chill out while they were setting up and as I’m doing that it’s slippery, obviously. I slip [and think] I’ll be alright, I put my hand on this tree... it’s not a tree it’s a branch!
He also revealed the director caught malaria during the shoot but thankfully, he survived.