| 2005 | Best Actor (winner) | Venice International Film Festival | David Strathairn |
| 2005 | Best Screenplay (winner) | Venice International Film Festival | George Clooney |
| 2005 | Best Screenplay (winner) | Venice International Film Festival | Grant Heslov |
| 2005 | Best Director (nominee) | Independent Spirit Awards | George Clooney |
| 2005 | Best Actor (nominee) | Independent Spirit Awards | David Strathairn |
| 2005 | Best Cinematography (winner) | Independent Spirit Awards | Robert Elswit |
| 2005 | Best Supporting Actor (Runner-up) (winner) | Los Angeles Film Critics Association | Frank Langella |
| 2005 | Best Cinematography (winner) | Los Angeles Film Critics Association | Robert Elswit |
| 2005 | Best Production Design (Runner-up) (winner) | Los Angeles Film Critics Association | James D. Bissell |
| 2005 | Best Actor (nominee) | Broadcast Film Critics Association | David Strathairn |
| 2005 | Best Director (nominee) | Broadcast Film Critics Association | George Clooney |
| 2005 | Best Screenplay (nominee) | Broadcast Film Critics Association | Grant Heslov |
| 2005 | Best Screenplay (nominee) | Broadcast Film Critics Association | George Clooney |
| 2005 | Best Cinematography (winner) | Boston Society of Film Critics | Robert Elswit |
| 2005 | Best Performance by an Actor in a Motion Picture - Drama (nominee) | Golden Globe | David Strathairn |
| 2005 | Best Director (nominee) | Golden Globe | George Clooney |
| 2005 | Best Screenplay (nominee) | Golden Globe | George Clooney |
| 2005 | Best Screenplay (nominee) | Golden Globe | Grant Heslov |
| 2005 | Best Screenplay (winner) | San Francisco Film Critics Circle | George Clooney |
| 2005 | Best Screenplay (winner) | San Francisco Film Critics Circle | Grant Heslov |
| 2005 | Best Director (winner) | Phoenix Film Critics Association | George Clooney |
| 2005 | Best Director (nominee) | Chicago Film Critics Association | George Clooney |
| 2005 | Best Screenplay (nominee) | Chicago Film Critics Association | Grant Heslov |
| 2005 | Best Screenplay (nominee) | Chicago Film Critics Association | George Clooney |
| 2005 | Best Actor (nominee) | Chicago Film Critics Association | David Strathairn |
| 2005 | Best Cinematography (nominee) | Chicago Film Critics Association | Robert Elswit |
| 2005 | Best Original Screenplay (nominee) | Writers Guild of America | George Clooney |
| 2005 | Best Original Screenplay (nominee) | Writers Guild of America | Grant Heslov |
| 2005 | Best Original Screenplay (nominee) | Kansas City Film Critics Association | George Clooney |
| 2005 | Best Original Screenplay (nominee) | Kansas City Film Critics Association | Grant Heslov |
| 2005 | Best Actor (nominee) | Screen Actors Guild | David Strathairn |
| 2005 | Best Director (nominee) | Directors Guild of America | George Clooney |
| 2005 | Best Supporting Actor (Runner-up) (winner) | National Society of Film Critics | Frank Langella |
| 2005 | Best Cinematography (Runner-up) (winner) | National Society of Film Critics | Robert Elswit |
| 2005 | Best Director (nominee) | Online Film Critics Association | George Clooney |
| 2005 | Best Actor (nominee) | Online Film Critics Association | David Strathairn |
| 2005 | Best Original Screenplay (winner) | Online Film Critics Association | George Clooney |
| 2005 | Best Original Screenplay (winner) | Online Film Critics Association | Grant Heslov |
| 2005 | Best Cinematography (nominee) | Online Film Critics Association | Robert Elswit |
| 2005 | Best Editing (nominee) | Online Film Critics Association | Stephen Mirrione |
| 2005 | Best Cinematography (nominee) | American Society of Cinematographers | Robert Elswit |
| 2005 | Best Edited Feature - Drama (nominee) | American Cinema Editors Guild | Stephen Mirrione |
| 2005 | Best Director (nominee) | British Academy of Film and Television | George Clooney |
| 2005 | Best Original Screenplay (nominee) | British Academy of Film and Television | Grant Heslov |
| 2005 | Best Original Screenplay (nominee) | British Academy of Film and Television | George Clooney |
| 2005 | Best Actor (nominee) | British Academy of Film and Television | David Strathairn |
| 2005 | Best Performance by an Actor in a Supporting Role in a Motion Pic (nominee) | British Academy of Film and Television | George Clooney |
| 2005 | Best Editing (nominee) | British Academy of Film and Television | Stephen Mirrione |
| 2005 | Best Art Direction - Period or Fantasy Film (nominee) | Art Directors Guild | Jim Bissell |
| 2005 | Producer of the Year (nominee) | Producers Guild of America | Grant Heslov |
| 2005 | Best Actor (nominee) | Academy of Motion Picture Arts and Scie | David Strathairn |
| 2005 | Best Art Direction (nominee) | Academy of Motion Picture Arts and Scie | Jim Bissell |
| 2005 | Best Art Direction (nominee) | Academy of Motion Picture Arts and Scie | Jan Pascale |
| 2005 | Best Cinematography (nominee) | Academy of Motion Picture Arts and Scie | Robert Elswit |
| 2005 | Best Director (nominee) | Academy of Motion Picture Arts and Scie | George Clooney |
| 2005 | Best Picture (nominee) | Academy of Motion Picture Arts and Scie | Grant Heslov |
| 2005 | Best Original Screenplay (nominee) | Academy of Motion Picture Arts and Scie | George Clooney |
| 2005 | Best Original Screenplay (nominee) | Academy of Motion Picture Arts and Scie | Grant Heslov |
| 2006 | Best Actor (nominee) | London Film Critics Association | David Strathairn |