Conversation so far:
What did Joaquin Phoenix do in 2006?
In 2006, Joaquin Phoenix was invited to join the Academy of Motion Picture Arts and Sciences.
What happened to Joaquin Phoenix in 2007?
In 2007, Joaquin Phoenix reunited with director James Gray for the film We Own the Night, which he also produced.
What was Joaquin Phoenix's movie We Own the Night about?
In the film, Joaquin Phoenix played a New York nightclub manager who tries to save his brother and father from Russian mafia hit men.
Did the movie We Own the Night do well?
The film premiered at the 2007 Cannes Film Festival, receiving mixed reviews from critics.
Did Joaquin Phoenix work on any more movies in 2007 besides We Own the Night?
For his second film of 2007, Joaquin Phoenix also reunited with director Terry George for the film Reservation Road.

Question: Who did he play in this role?
Self-contained rewrite: Who did Joaquin Phoenix play in Reservation Road?