| ACTRA Awards | |||
| Year | Result | Award | Category/Recipient(s) |
|---|---|---|---|
| 2003 | - | ACTRA Montreal Award of Excellence | |
| Academy of Science Fiction, Fantasy & Horror Films, USA | |||
| Year | Result | Award | Category/Recipient(s) |
| 1987 | Nominated | Saturn Award |
Best Actor for: Star Trek IV: The Voyage Home (1986) |
| 1985 | Nominated | Saturn Award |
Best Actor for: Star Trek III: The Search for Spock (1984) |
| 1983 | Won | Saturn Award |
Best Actor for: Star Trek: The Wrath of Khan (1982) |
| 1980 | Nominated | Saturn Award |
Best Actor for: Star Trek: The Motion Picture (1979) |
| - | Life Career Award | ||
| 1978 | Nominated | Saturn Award |
Best Actor - Horror for: Kingdom of the Spiders (1977) |
| Annie Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2001 | Nominated | Annie |
Outstanding Individual Achievement for Voice Acting by a Male Performer in an Animated Feature Production for: Osmosis Jones (2001) - As the voice of "Mayor". |
| Banff Television Festival | |||
| Year | Result | Award | Category/Recipient(s) |
| 1994 | - | Award of Excellence | |
| Canadian Comedy Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2001 | Nominated | Canadian Comedy Award |
Film - Pretty Funny Male Performance for: Miss Congeniality (2000) |
| Emmy Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2008 | Nominated | Emmy |
Outstanding Supporting Actor in a Drama Series for: "Boston Legal" (2004) |
| 2007 | Nominated | Emmy |
Outstanding Supporting Actor in a Drama Series for: "Boston Legal" (2004) |
| 2006 | Nominated | Emmy |
Outstanding Supporting Actor in a Drama Series for: "Boston Legal" (2004) |
| 2005 | Won | Emmy |
Outstanding Supporting Actor in a Drama Series for: "Boston Legal" (2004) |
| 2004 | Won | Emmy |
Outstanding Guest Actor in a Drama Series for: "The Practice" (1997) For playing "Denny Crane" |
| 1999 | Nominated | Emmy |
Outstanding Guest Actor in a Comedy Series for: "3rd Rock from the Sun" (1996) For playing "The Big Giant Head". For episodes "Dick's Big Giant Headache", part I and II. |
| Gemini Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 1996 | Nominated | Gemini |
Best Dramatic Series for: "TekWar" (1995) Shared with: John Calvert Stephen Roloff |
| Golden Globes, USA | |||
| Year | Result | Award | Category/Recipient(s) |
| 2008 | Nominated | Golden Globe |
Best Performance by an Actor in a Supporting Role in a Series, Mini-Series or Motion Picture Made for Television for: "Boston Legal" (2004) |
| 2005 | Won | Golden Globe |
Best Performance by an Actor in a Supporting Role in a Series, Mini-Series or Motion Picture Made for Television for: "Boston Legal" (2004) |
| Razzie Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2000 | Nominated | Razzie Award |
Worst Actor of the Century For Star Trek: The Motion Picture (1979), Star Trek: The Wrath of Khan (1982), Star Trek III: The Search for Spock (1984), Star Trek IV: The Voyage Home (1986), Star Trek V: The Final Frontier (1989) and others. |
| 1995 | Nominated | Razzie Award |
Worst Supporting Actor for: Star Trek: Generations (1994) |
| 1990 | Won | Razzie Award |
Worst Actor for: Star Trek V: The Final Frontier (1989) |
Worst Director for: Star Trek V: The Final Frontier (1989) |
| Nominated | Razzie Award |
Worst Screenplay for: Star Trek V: The Final Frontier (1989) Shared with: David Loughery (also story) Harve Bennett (story) |
|
| Satellite Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2005 | Nominated | Satellite Award |
Outstanding Actor in a Supporting Role in a Series, Mini-Series or Motion Picture Made for Television for: "Boston Legal" (2004) |
| Screen Actors Guild Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2008 | Nominated | Actor |
Outstanding Performance by an Ensemble in a Drama Series for: "Boston Legal" (2004) Shared with: Rene Auberjonois Candice Bergen Julie Bowen Saffron Burrows Christian Clemenson Taraji P. Henson John Larroquette James Spader Tara Summers Mark Valley Gary Anthony Williams Constance Zimmer |
| 2007 | Nominated | Actor |
Outstanding Performance by an Ensemble in a Drama Series for: "Boston Legal" (2004) Shared with: Rene Auberjonois Candice Bergen Craig Bierko Julie Bowen James Spader Mark Valley |
| 2006 | Nominated | Actor |
Outstanding Performance by a Male Actor in a Comedy Series for: "Boston Legal" (2004) |
Outstanding Performance by an Ensemble in a Comedy Series for: "Boston Legal" (2004) Shared with: Rene Auberjonois Ryan Michelle Bathe Candice Bergen Julie Bowen Justin Mentell Rhona Mitra Monica Potter James Spader Mark Valley |
| TV Land Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2007 | Nominated | TV Land Award |
TV Moment That Became Headline News for: "Star Trek" (1966) Shared with: Nichelle Nichols For sharing the first interracial kiss on American TV. |
| 2006 | Nominated | TV Land Award |
Most Memorable Kiss for: "Star Trek" (1966) Shared with: Nichelle Nichols |
| Teen Choice Awards | |||
| Year | Result | Award | Category/Recipient(s) |
| 2000 | Nominated | Teen Choice Award |
TV - Choice Personality For "travelocity.com" commercials. |
| Temecula Valley International Film Festival | |||
| Year | Result | Award | Category/Recipient(s) |
| 2002 | - | Lifetime Achievement Award | |
| Walk of Fame | |||
| Year | Result | Award | Category/Recipient(s) |
| 1983 | - | Star on the Walk of Fame |
Television At 6901 Hollywood Blvd. |