Jeff Daniels' 'Dumb and Dumber' role didn't come easy: 'I didn't know how to be that dumb'

Jeff Daniels on the Enemy Within

Very few actors have the range to pull off “Dumb and Dumber’s” Harry Dunne, while mastering moral giants like Atticus Finch or Ronald Reagan in “Reykjavík.”

Jeff Daniels' 'Dumb and Dumber' role didn't come easy: 'I didn't know how to be that dumb'

Even still, he says, "We knew when we put it out that 12-year-old boys, 13-year-old boys would think of it as their 'Citizen Kane.'"New Line/Courtesy Everett Collection Jeff Daniels in 'Dumb and Dumber'He's had a lengthy and accomplished career with all kinds of roles, but Jeff Daniels' says his part in Dumb and Dumber remains his most "out of body" experience.Daniels made the revelation to Nicolle Wallace on The Best People podcast on Monday, t…