On Wednesday night, he tweeted: "It's incredibly cool to have included displaced sportsmen in Olympics... This time as refugee Olympic team. They don't have a nation. Let's all cheer for them."
"I cheer for Yusra Mardini, a real life hero who saved lives through her swimming and is part of refugee Olympic athletes team," added the "Mohenjo Daro" actor.
Mardini competed for the 100 meter butterfly and freestyle heats on Wednesday.