Claim: Inside Man is a film.

Arthur Christopher Orme Plummer -LRB- born December 13 , 1929 -RRB- is a Canadian theatre , film and television actor . After making his film debut in Stage Struck -LRB- 1958 -RRB- , Plummer went on to a successful film career , now spanning more than five decades . Some of his most notable film performances include : The Sound of Music -LRB- 1965 -RRB- , Battle of Britain -LRB- 1969 -RRB- , Waterloo -LRB- 1970 -RRB- , The Return of the Pink Panther -LRB- 1975 -RRB- , Murder by Decree -LRB- 1979 -RRB- , Dragnet -LRB- 1987 -RRB- , Star Trek VI : The Undiscovered Country -LRB- 1991 -RRB- , A Beautiful Mind -LRB- 2001 -RRB- , Nicholas Nickleby -LRB- 2002 -RRB- , National Treasure -LRB- 2004 -RRB- , The New World -LRB- 2005 -RRB- , Inside Man -LRB- 2006 -RRB- , Up -LRB- 2009 -RRB- , The Imaginarium of Doctor Parnassus -LRB- 2009 -RRB- , and The Girl with the Dragon Tattoo -LRB- 2011 -RRB- .   In a career which includes substantial roles in each of the dramatic arts , Plummer is best known to film audiences as the aristocratic widower , Captain Georg von Trapp , in the musical film The Sound of Music -LRB- 1965 -RRB- , alongside Julie Andrews . Plummer has ventured into various television projects , including the miniseries The Thorn Birds -LRB- 1983 -RRB- . Plummer has notably portrayed several historical figures , including Arthur Wellesley , First Duke of Wellington in Waterloo -LRB- 1970 -RRB- , Rudyard Kipling in The Man Who Would Be King -LRB- 1975 -RRB- , Mike Wallace in The Insider -LRB- 1999 -RRB- , and Leo Tolstoy in The Last Station -LRB- 2009 -RRB- .   Plummer has won numerous awards and accolades for his work , including an Academy Award , two Emmy Awards , two Tony Awards , a Golden Globe Award , a SAG Award , and a BAFTA Award . With his win at age 82 in 2012 for Beginners , Plummer is the oldest actor ever to win an Academy Award .