HBO is reportedly setting its sights on an iconic actor to play Dumbledore in the Harry Potter TV series, and it might be the perfect choice.

Mark Rylance is at the top of the casting wishlist for the new HBO "Harry Potter" adaptation, Variety has learned from sources familiar with the project. Rylance, who is starring as Thomas Cromwell in the highly-anticipated BBC period drama "Wolf Hall: The Mirror and The Light" (based on Hilary Mantel's novel),

The Harry Potter HBO show is in its early stages, and only now seems to be on the verge of starting to get its cast together.

HBO’s invisibility cloak is starting to come off of the top-secret Harry Potter series casting process, and it makes sense that we would start with our fifth (fifth!) Dumbledore in less than 25 years.

The casting for the highly anticipated TV reboot has reportedly begun and fans are suggesting some A-list actors for the series, including a former cast member

The upcoming HBO Harry Potter series is coming together as a name for Dumbledore has surfaced: Oscar winner Mark Rylance. Variety first reported the development. Rylance is “at the top of the casting wishlist” for HBO’s upcoming Harry Potter series.

Meanwhile, Jared Harris – son of Richard Harris, who played Dumbledore in the first two Harry Potter films – said “no thank you” to the idea, and questioned why the project was being made in the first instance.