- In 2009, received Primetime Emmy Award for Outstanding Lead Actor In A Comedy Series
- In 2009, received Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Comedy Series
- In 2009, received Golden Globe Award for Best Performance by an Actor In A Television Series - Musical Or Comedy
- In 2009, received Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series
- In 2008, received Primetime Emmy Award for Outstanding Lead Actor In A Comedy Series
- In 2008, received Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Comedy Series
- In 2007, received Golden Globe Award for Best Performance by an Actor In A Television Series - Musical Or Comedy
- In 2007, received Screen Actors Guild Award for Outstanding Performance by a Male Actor in a Comedy Series
- In 2006, received National Board of Review for Best Acting by an Ensemble
- In 2003, received National Board of Review Award for Best Supporting Actor
- In 2001, received Gemini Award for Best Dramatic Mini-Series
- In 2000, received National Board of Review Award for Best Acting by an Ensemble
- In 1986, received Theatre World Award
