television
- Eight Is Enough (1977) - Sandra Sue 'Abby' Abbott (later Bradford)
- Oz (2000-2003) - recurring role as Suzanne Fitzgerald
movies and specials
- Vinegar Hill - Mary Margaret Grier (2005)
- Yours for a Song: The Women of Tin Pan Alley - host and performer (1999)
- Bravo Profiles - "Betty Buckley in Concert and in Person" (1999)
- Critical Choices (1996) - Margaret
- Betrayal of Trust (1994 - also knows as Under The Influence) - Dr. Jan Galanti
- Sondheim: A Celebration at Carnegie Hall (1992)
- Bonnie & Clyde: The True Story (1992) - Mrs. Parker
- 43rd Annual Tony Awards (1989)
- Taking a Stand (1989) - nominated for an Emmy Award
- Babycakes (1989) - Wanda
- Roses Are for the Rich (1987) - Ella
- Evergreen (1985) - Mrs. Bradford
- Bobby and Sarah (1984) - nominated for an Emmy Award
- The Three Wishes of Billy Grier (1984) - Nancy Grier
- Salute to Lady Liberty (1984)
- 37th Annual Tony Awards (1983)
- Kennedy Center Honors (1982)
- The Ordeal of Bill Carney (1981) - Barbara Slaner
- The Rubber Gun Squad (1977) - Rosie
- Miss America Pageant (1967)
series guest appearances - Pretty Little Liars - ABC Family (2012)
- The Pacific - HBO (2010)
- The Jury (2004)
- Monk (2003) - Cheryl Fleming
- Remember WENN (12/21/1996) - Gloria Redmond in episode: Christmas in the Airwaves (episode # 2.6)
- Intimate Portrait: Audrey Hepburn (1996) - Narrator
- Tribeca (1993)
- The Life and Times of Jesus (1993) - Narrator
- Mathnet (1992) - playing Sally Storm in episode: Case of the Mystery Weekend (episode # 5.1)
- L.A. Law (10/17/1991) playing Elisa Chandler in episode: TV or Not TV (episode # 6.2)
- L.A. Law (10/10/1991) - playing Elisa Chandler in episode: Something Old, Something Nude (episode # 6.1)
- Cagney & Lacey (1987)
recurring role in series