Molly Shannon joins the cast of "Only Murders in the Building" Season 4, playing a high-powered LA businesswoman, as main characters return to LA before New York.

Molly Shannon has joined the cast of Only Murders in the Building for its fourth season, playing a high-powered businesswoman from Los Angeles. The show's main characters, played by Steve Martin, Martin Short, and Selena Gomez, will head to Los Angeles in the upcoming season before returning to New York. Shannon is the first major addition to the cast, following guest appearances by Meryl Streep, Jesse Williams, Paul Rudd, Ashley Park, and Linda Emond in the third season.

February 14, 2024
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