Nathan Fillion, Susan Sullivan, and Stephnie Weir in Castle (2009)

Susan Sullivan and Stephnie Weir in Castle (2009)

Robert Foxworth and Susan Sullivan in Falcon Crest (1981)

Lorenzo Lamas, Robert Foxworth, Margaret Ladd, Susan Sullivan, and Jane Wyman in Falcon Crest (1981)

Nathan Fillion, Molly C. Quinn, and Susan Sullivan in Castle (2009)

Nathan Fillion and Susan Sullivan in Castle (2009)

Molly C. Quinn and Susan Sullivan in Castle (2009)

Bill Bixby and Susan Sullivan in The Incredible Hulk (1977)

Susan Sullivan in Killer's Delight (1978)

John Karlen, Susan Sullivan, and Gene Bryson in Killer's Delight (1978)

Michael Douglas, Alan Arkin, and Susan Sullivan in The Kominsky Method (2018)

Jon Huertas, Tamala Jones, Seamus Dever, Nathan Fillion, Susan Sullivan, and Stana Katic in Castle (2009)

Susan Sullivan at an event for The 25th Annual Screen Actors Guild Awards (2019)

Melora Walters, Jeffrey DeMunn, Susan Sullivan, Christopher Denham, and Shiva Negar in The Amaranth (2018)

Melora Walters, Jeffrey DeMunn, Susan Sullivan, Christopher Denham, Brandon Scott, and Shiva Negar in The Amaranth (2018)

Still of poster with stars Beatrice Gray and Jon Paul Nicoll.

Lorenzo Lamas, Ana Alicia, Chao Li Chi, Abby Dalton, Robert Foxworth, Margaret Ladd, William R. Moses, Cliff Robertson, David Selby, Susan Sullivan, and Jane Wyman in Falcon Crest (1981)