‘Only Murders in the Building’ Season 6 Adds 8 to Cast, Including Martin Freeman, Geri Halliwell Horner, Jamie Demetriou (EXCLUSIVE)

Jun 11, 2026 7:00am PT ‘Only Murders in the Building’ Season 6 Adds 8 to Cast, Including Martin Freeman, Geri Halliwell Horner, Jamie Demetriou (EXCLUSIVE)

By Joe Otterson

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Joe Otterson

TV Reporter

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“Only Murders in the Building” Season 6 has added eight recurring guest stars to its cast, Variety has learned exclusively.

The new cast members are: Martin Freeman (“Sherlock,” “The Responder”), Geri Halliwell-Horner (“Gran Turismo,” “Sex and the City”), Jamie Demetriou (“Stath Lets Flats,” “The Moment”), Anjana Vasan (“We Are Lady Parts,” “Black Mirror”), Jane Horrocks (“Bloods,” “Sunshine on Leith”), Derek Jacobi (“Gladiator,” “The King’s Speech”) and Lesley Nicol (“Downton Abbey,” “Blackadder”).

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