Sarah Silverman switches from comedy to drama in ‘I Smile Back’

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Known for her no-holds barred stand-up comedy, Sarah Silverman changes pace with a dramatic role in the upcoming film “I Smile Back,” in which she plays a drug-addicted housewife. She tells TODAY she had a “full-body panic attack” when she learned she’d landed the role – and then realized that it was feeling that anxiety that would make her able to play the part.