Title: Grace and Frankie
Content:  Casting announcements began in June 2014, with Martin Sheen cast in the role of Robert, Grace's husband. The following month, Sam Waterston was cast in the role of Sol, Frankie's husband. June Diane Raphael and Baron Vaughn were then added to the cast, with Raphael cast in the role of Brianna, Grace and Robert's elder daughter, who rebels against Grace's decorum. Vaughn signed onto the role of Nwabudike, Frankie and Sol's son. Shortly afterwards, Ethan Embry and Brooklyn Decker were cast in the remaining roles on the series. Embry joined in the role of Coyote, Frankie and Sol's recovering drugaddicted son, while Decker signed onto the role of Mallory, Grace and Robert's younger daughter. In October 2015, it was announced Sam Elliott would appear in the second season as Grace's love interest. In April 2017, it was reported Lisa Kudrow will appear in the fourth season as Sheree, Grace's manicurist. In February 2018, the same day as the fifth season was commissioned, RuPaul was confirmed to appear in the fifth season as a rival of Grace and Frankie. Dolly Parton was confirmed to appear in a guest starring role in the final season.
Title: List of Grace and Frankie episodes
Content:  Grace and Frankie is an American comedy television series, which premiered on Netflix on May 8, 2015. The series was created by Marta Kauffman and Howard J. Morris, and stars Jane Fonda and Lily Tomlin as Grace and Frankie, two women whose lives are turned upside down when their husbands announce they are in love with each other and want to get married. The series also stars Sam Waterston, Martin Sheen, Brooklyn Decker, Ethan Embry, June Diane Raphael, and Baron Vaughn in supporting roles. On September 4, 2019, Grace and Frankie was renewed for a seventh and final season of 16 episodes ahead of the sixth season premiere. The sixth season was released on January 15, 2020.
Title: Franky G
Content:  Franky G (born Frank Gonzales; October 30, 1965) is an American film and television actor. He is perhaps best known for his portrayal of Xavier in Saw II and Wrench in the 2003 remake of The Italian Job as well as other various roles such as Lupus in Confidence and Detective Cruz in Wonderland.
Title: Grace and Frankie
Content:  Grace and Frankie is an American comedy streaming television series created by Marta Kauffman and Howard J. Morris for Netflix. The series stars Jane Fonda and Lily Tomlin in the title roles of Grace Hanson and Frankie Bergstein, two unlikely friends who are brought together after their husbands announce they are in love with each other and plan to get married. Sam Waterston, Martin Sheen, Brooklyn Decker, Ethan Embry, June Diane Raphael, and Baron Vaughn co-star in supporting roles. It premiered on Netflix on May 8, 2015, with all 13 episodes of the first season released simultaneously. The second through sixth seasons, also consisting of 13 episodes each, were released on May 6, 2016, March 24, 2017, January 19, 2018, January 18, 2019, and January 15, 2020, respectively. Grace and Frankie received mixed reviews upon its debut, but its second and subsequent seasons 
Title: Grace and Frankie
Content: Jane Fonda as Grace Hanson (née Purcell), a no-nonsense cosmetics mogul who likes to drink martinis and always has a clever comment or (more often than not) insult to throw your way. After years of conflict, she and Frankie have become best friends. Grace is also mother to Brianna and Mallory, grandmother to Madison, Macklin and the twins, ex-wife of Robert and later wife of Nick. ; Lily Tomlin as Frances "Frankie" Bergstein (née Mengela), a goofy artist who “rides her own wave” and often finds herself in hilarious situations that require Grace to rescue her. Creative and spiritual, Frankie cares very deeply about her loved ones and would do anything to protect them. She is Grace's best friend, Bud & Coyote's 
Title: John Franklin (actor)
Content:  John Franklin (born John Paul Salapatek; June 16, 1959) is an American actor, writer and former school teacher. He is best known for playing Isaac Chroner in Children of the Corn (1984), and Cousin Itt in The Addams Family (1991).
Title: Frank Caeti
Content: Bob McGrath ; Gerard Way ; Jimmy Johnson ; Miguel Sandoval (as D.A. Davoros on Medium) ; Nick DiPaolo ; Seth Green (as Chris Griffin on Family Guy) ; Sylvester Stallone ; Truman Capote ; Zach Braff (as J.D.) ; Tony Sirico (as Paulie Walnuts) 
Title: Frank Bonsangue
Content:  Frank "Frankie the Butcher" Bonsangue is an American film, stage and television actor. He is also a television personality on several cooking shows including the Food Network's "Hot off the Grill Show with Bobby Flay". He has appeared in Spider-Man 2, Analyze That and Law & Order.
Title: Frank &amp; Ava
Content:  Frank & Ava is a 2018 American biographical drama film directed by Michael Oblowitz and starring Rico Simonini as Frank Sinatra and Emily Elicia Low as Ava Gardner. It is based on the play of the same name by Willard Manus. This marked the final film appearances of Harry Dean Stanton and Katherine Helmond before their passing in 2017 and 2019 respectively.
Title: Grace and Frankie
Content:  In March 2014, Netflix finalized a deal for a 13-episode straight-to-series order for Grace and Frankie, with Jane Fonda and Lily Tomlin attached to star in the lead roles. The series was written and created by Marta Kauffman and Howard J. Morris, who also serve as executive producers alongside Fonda, Tomlin, Paula Weinstein and Tate Taylor, and Skydance Productions' Dana Goldberg, David Ellison, and Marcy Ross. On May 26, 2015, Netflix renewed the series for a second season which premiered on May 6, 2016. On December 10, 2015, the series was renewed for a third season which premiered on March 24, 2017. On April 12, 2017, the series was renewed for a fourth season, which premiered on January 19, 2018. On February 15, 2018, the series was renewed for a fifth season.

Question: who is the actor that plays saul on grace and frankie?
Answer: Sam Waterston.