- In 2006, received Emmy Award for Outstanding Supporting Actor in a Drama Series
- In 2005, received Drama Desk Award for Outstanding Ensemble Performance
- In 2000, received Writers Guild of America Valentine Davies Award
- In 1989, received National Board of Review Award for Best Supporting Actor
- In 1989, received New York Film Critics Circle Award for Best Supporting Actor
- In 1983, received Golden Globe Award for Best Performance by an Actor in a TV-Series - Comedy/Musical
- In 1983, received Directors Guild of America Award for Outstanding Directorial Achievement in Comedy Series
- In 1982, received Directors Guild of America Award for Outstanding Directorial Achievement in Comedy Series
- In 1982, received Emmy Award for Outstanding Lead Actor in a Comedy Series
- In 1982, received Golden Globe Award for Best Performance by an Actor in a TV-Series - Musical/Comedy
- In 1981, received Golden Globe Award for Best Performance by an Actor in a TV-Series - Musical/Comedy
- In 1980, received Humanitas Prize for 30 Minute Category
- In 1980, received Golden Globe Award for Best TV Actor - Musical/Comedy
- In 1979, received Emmy Award for Outstanding Writing in a Comedy or Comedy-Variety or Music Series
- In 1977, received Emmy Award for Outstanding Directing in a Comedy Series
- In 1977, received Directors Guild of America Award for Outstanding Directorial Achievement in Comedy Series
- In 1976, received Golden Globe Award for Best TV Actor - Musical/Comedy
- In 1975, received Golden Globe Award for Best TV Actor - Musical/Comedy
- In 1974, received Emmy Award for Best Lead Actor in a Comedy Series
- In 1974, received Emmy Award for Actor of the Year - Series
- In 1964, received Theatre World Award
