Answer: personate

AnswerCrossword Clue
PERSONATEPass for.
PERSONATEPortray.
PERSONATEAct.
PERSONATEPlay a part on stage
personatePlay the part of (a character in a drama)
personateto assume the identity of, with intent to deceive
personatePretend to be (someone else), esp. for fraudulent purposes, such as casting a vote in another person's name