Actors Who Took It A Step Too Far To Get Into Character
Robert De Niro Became An Actual Taxi Driver For Taxi Driver

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Robert De Niro got an actual New York City cab drivers license to prepare for the role of a derange driver in Taxi Driver. He would drive around the town charging standard fares for 12-hour shifts to understand a cabbie’s experience.
The method acting worked because the film was nominated for several awards.