Hal Holbrook is an American actor who has been active in the entertainment industry since the 1950s. He is best known for his role as Mark Twain in the one-man show, 'Mark Twain Tonight!' which he has performed over 2, 000 times. He has also appeared in films such as 'The Fog, ' 'The Firm, ' and 'All the President's Men.' Holbrook won an Emmy Award for his performance in the television miniseries 'The Bold Ones: The Senator' and was nominated for an Academy Award for his role in 'Into the Wild.'