Robert Downey Jr. has portrayed a character.
Robert Downey Jr. . He starred as the title character in the 1992 film Chaplin , which earned him a nomination for the Academy Award for Best Actor and won him the BAFTA Award for Best Actor in a Leading Role . After being released in 2000 from the California Substance Abuse Treatment Facility and State Prison where he was on drug charges , Downey joined the cast of the TV series Ally McBeal playing Calista Flockhart 's love interest . Downey Jr. has also played the title character in Guy Ritchie 's Sherlock Holmes ( 2009 ) and its sequel ( 2011 ) .