Joaquin Phoenix has a career in acting.
Buffalo Soldiers (2001 film) . It stars Joaquin Phoenix , Ed Harris , Anna Paquin , Haluk Bilginer , Scott Glenn , and Elizabeth McGovern and is directed by Gregor Jordan . Joaquin Phoenix . He received international attention for his portrayal of Commodus in the 2000 historical epic film Gladiator , which earned him a nomination for the Academy Award for Best Supporting Actor . Some of his other notable films include the satire film Buffalo Soldiers ( 2001 ) , the science fiction thriller Signs ( 2002 ) , the animated film Brother Bear ( 2003 ) , the historical drama film Hotel Rwanda ( 2004 ) , the psychological thriller The Village ( 2004 ) , the documentary Earthlings ( 2005 ) , the romantic drama Two Lovers ( 2008 ) , the drama The Immigrant ( 2013 ) , the romantic science fiction drama Her ( 2013 ) , the crime comedy-drama film Inherent Vice ( 2014 ) , and the thriller You Were Never Really Here ( 2017 ) , for which he won the Cannes Film Festival Award for Best Actor . Parenthood is a 1989 American comedy-drama film with an ensemble cast that includes Steve Martin , Tom Hulce , Rick Moranis , Martha Plimpton , Joaquin Phoenix , Keanu Reeves , Jason Robards , Mary Steenburgen , and Dianne Wiest .