2006
• Screen Actors Guild Awards, Outstanding Performance by a Male Actor in a Drama Series for The West Wing
• Screen Actors Guild Awards, Outstanding Performance by an Ensemble in a Drama Series for The West Wing
• Emmy (Primetime), Outstanding Supporting Actor in a Drama Series for The West Wing

2005
• Screen Actors Guild Awards, Outstanding Performance by a Cast in a Motion Picture for The Aviator
• Academy Award, Actor in a Supporting Role for The Aviator
• British Academy of Film & Television Arts, Actor in a Supporting Role for The Aviator
• Emmy (Primetime), Outstanding Supporting Actor in a Drama Series for The West Wing

2002
• Screen Actors Guild Awards, Outstanding Performance by a Male Actor in a Television Movie or Miniseries for Club Land

2001
• Emmy (Primetime), Outstanding Supporting Actor in a Miniseries or a Movie for Club Land

1995
• Golden Globe, Best Performance by an Actor in a Limited Series or Motion Picture Made for Television for White Mile

1994
• Emmy (Primetime), Outstanding Supporting Actor in a Miniseries or a Movie for And the Band Played On

1991
• British Academy of Film & Television Arts, Actor in a Supporting Role for Crimes and Misdemeanors

1983
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H

1982
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Golden Globe, Best Performance By an Actor in a Motion Picture - Musical or Comedy for The Four Seasons

1981
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H

1980
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H

1979
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Golden Globe, Best Performance By an Actor in a Motion Picture - Musical or Comedy for Same Time, Next Year

1978
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H

1977
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H

1976
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H

1975
• Emmy (Primetime), Outstanding Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H

1974
• Emmy (Primetime), Best Lead Actor in a Drama for 6 Rms Riv Vu
• Emmy (Primetime), Best Lead Actor in a Comedy Series for M*A*S*H
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H

1973
• Golden Globe, Best Performance by an Actor in a Television Series - Musical or Comedy for M*A*S*H
• Emmy (Primetime), Outstanding Continued Performance by an Actor in a Leading Role in a Comedy Series for M*A*S*H