Jamie Foxx
In order to deliver Ray Charles as realistically as possible, the actor not only lost 30 pounds, but also learned what it means to be blind. While shooting, he wore a special prosthesis covering his eyes.
Shaya Rabap

Labaff joined the US National Guard anger. And he was baptized and accepted Christ in his heart. The actor did not even swim for four months.
John Krasinski

John Krasinski, from the former navy seal 13 hours. His character was a special forces soldier.
Daniel Day-Lewis

in My left footThe actor used the wheelchair of the character until the end of the shoot in one place where the Irish suffered from cerebral palsy. The crew had to go spoon him too.
Robert de Niro

To get used to the role of taxi driverRobert De Niro worked as a taxi driver 12 hours a day. He picked up passengers between shots in New York.