Credits

• 2024 · Ex-Husbands as Simon Pearce
• 2023 · You People as Dr. Green
• 2020 · Natalie Wood: What Remains Behind as Self
• 2014 · Magician: The Astonishing Life and Work of Orson Welles as Self - Filmmaker
• 2012 · Pablo as Self
• 2008 · Childrens Hospital as Dan Richards
• 2008 · Henry Poole Is Here as Dr. Fancher
• 2007 · Pushing Daisies as Jerry Holmes
• 2006 · Keeping Up with the Steins as Ken
• 2004 · The Goodbye Girl as Oliver Frey
• 2003 · Marci X as Ben Feld
• 2003 · Halloween: A Cut Above the Rest as Peter Martin (archive footage) (uncredited)
• 2002 · AFI's 100 Years... 100 Passions: America's Greatest Love Stories as Self
• 2001 · The Shrink Is In as Samantha's Editor (uncredited)
• 2000 · Titus as Bill
• 1998 · The Pentagon Wars as Casper Weinberger
• 1997 · Deconstructing Harry as Ken
• 1992 · Mad About You as Mr. Frank DiChristophoro
• 1992 · Love & War as
• 1989 · First Works as Self
• 1983 · Packin' It In as Gary Webber
• 1982 · Wogan as Self
• 1981 · Saturday the 14th as John
• 1980 · First Family as Press Secretary Bunthorne
• 1980 · Witches' Brew as Joshua Lightman
• 1980 · How to Beat the High Cost of Living as Albert
• 1980 · The Last Married Couple in America as Marv Cooper
• 1979 · Scavenger Hunt as Stuart Selsome
• 1979 · Love at First Bite as Dr. Jeffery Rosenberg / Van Helsing
• 1978 · House Calls as Dr. Norman Solomon
• 1978 · Fame as Meyer Shine
• 1977 · No Room to Run as Nick Loomis
• 1977 · Quark as Adam Quark
• 1975 · The Sunshine Boys as Ben Clark
• 1975 · Saturday Night Live as Self - Host
• 1975 · The Lion Roars Again as Self
• 1973 · Westworld as Peter Martin
• 1973 · The Last of Sheila as Tom
• 1973 · On Location with Westworld as Self (uncredited)
• 1972 · Portnoy's Complaint as Alexander Portnoy
• 1971 · The Steagle as Harold Weiss
• 1971 · The Marriage of a Young Stockbroker as William Alren
• 1970 · Diary of a Mad Housewife as Jonathan Balser
• 1970 · Catch-22 as Maj. Danby
• 1969 · Goodbye, Columbus as Neil Klugman
• 1967 · He & She as Dick Hollister
• 1963 · Vacation Playhouse as Ted Penny
• 1962 · The Tonight Show Starring Johnny Carson as Self - Guest Host
• 1962 · The Tonight Show Starring Johnny Carson as Self
• 1961 · Dr. Kildare as Dr. Adam Barstow
• 1961 · Dr. Kildare as Intern
• 1956 · Tony Awards as Self - Presenter
• 1951 · Hallmark Hall of Fame as Meyer Shine
• 2025 · Science Fiction Film Awards as Himself
• 2025 · SEGAL as Self