<Li> Hannah Dunne as Elizabeth "Lizzie" Campbell, Hailey's roommate and best friend </Li> <Li> Peter Vack as Alex Merriweather, Hailey's dancer boyfriend (seasons 1 & 2) </Li> <Ul> <Li> Debra Monk as Betty Cragdale, the long - time oboist for the New York Symphony who instantly despises Hailey </Li> <Li> Mark Blum as Union Bob, a piccolo player for the symphony and known for bringing up the union rules </Li> <Li> Jennifer Kim as Sharon, Rodrigo's assistant </Li> <Li> Joel Bernstein as Warren Boyd, the concertmaster for the symphony </Li> <Li> Nora Arnezeder as Ana Maria, Rodrigo's estranged violinist wife </Li> <Li> John Miller as Dee Dee, the drug - dealing percussionist of the New York Symphony </Li> <Li> Rubio Qian as Triangle Tanya, the triangle player of the New York Symphony . </Li> <Li> Brennan Brown as Edward Biben, an orchestra board member </Li> <Li> Gretchen Mol as Nina, the New York Symphony's lawyer who falls for Cynthia </Li> <Li> Makenzie Leigh as Addison, Alex's dancing partner and roommate </Li> <Li> Margaret Ladd as Claire, Thomas' ex-wife who dies after hearing his completed symphony . </Li> <Li> Jason Schwartzman as Bradford Sharpe, a classical music enthusiast and host of his own podcast, "B - Sharpe" </Li> <Li> John Hodgman as Marlin Guggenheim, a purported billionaire infatuated with Hailey </Li> <Li> Wallace Shawn as Winslow Eliot, a neurotic concert pianist . </Li> <Li> Tenoch Huerta Mejía as Manuel, Rodrigo's childhood friend </Li> <Li> Dermot Mulroney as Andrew Walsh, a cello soloist who fraternizes with Hailey . </Li> <Li> Monica Bellucci as Alessandra, a reclusive Italian soprano living in Venice, Italy, also known as "La fiamma". <Ul> <Li> Ana María Martínez provides Alessandra's singing voice . </Li> </Ul> </Li> <Li> Sandro Isaack as Pavel, the orchestra's stagehand who becomes friendly with Gloria . </Li> <Li> Philip Jackson Smith as Mike, a friend of Hailey's whom she recruits to work for the orchestra . </Li> <Li> Christian Coulson as Sebastian, a member of Andrew Walsh's orchestra who later becomes a member of Hailey's orchestra and moves to her flat . </Li> <Li> Cole Escola as Shawn, Hailey's flatmate and a member of her orchestra who also becomes Sebastian's boyfriend . </Li> <Li> Santino Fontana as Mozart, who Rodrigo frequently talks to in his imagination . </Li> <Li> David Turner as Liberace, briefly replaces Mozart as Rodrigo's muse </Li> </Ul> <Li> Debra Monk as Betty Cragdale, the long - time oboist for the New York Symphony who instantly despises Hailey </Li>

Who played mozart in mozart in the jungle