Martin Sheen has joined the cast of Netflix's upcoming comedy series Grace and Frankie, according to The Hollywood Reporter. The West Wing alum will play Robert, the husband of Jane Fonda's character Grace, who eventually leaves her for another man.
Grace and Frankie stars Fonda and Lily Tomlin as the titular characters, who are nemeses until they form an unlikely bond after their husbands announce that they are in love with each other and plan to get married. Tomlin's husband has not been cast.
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