The third season of the American satirical comedy-drama television series Succession premiered on HBO on October 17, 2021.

The season features an ensemble cast of Nicholas Braun, Brian Cox, Kieran Culkin, Dagmara Domińczyk, Peter Friedman, Matthew Macfadyen, Alan Ruck, J. Smith-Cameron, Sarah Snook and Jeremy Strong, who all return from the previous season, with Hiam Abbass and Arian Moayed only returning in a recurring capacity.

[11] All main cast members return from the previous season, excluding Rob Yang, with Hiam Abbass and Arian Moayed only appears in a recurring capacity.

Justine Lupe, David Rasche and Fisher Stevens, who previously starred in recurring roles, were promoted to the main cast for the season.

In January 2021, it was announced Sanaa Lathan, Linda Emond and Jihae had joined the cast of the series in recurring roles in the third season.

[18] In early November 2020, star Alan Ruck announced that filming would begin in mid-November in New York City.

Additional filming took place in other nearby comuni in the province of Siena – including Pienza, Montalcino and Chianciano Terme – as well as in Cortona, Lake Como, Milan, and Florence (the lattermost of which was used for establishing shots in the opening episodes).

Brian Cox, Jeremy Strong, Kieran Culkin, Nicholas Braun, Sarah Snook, James Cromwell, and Harriet Walter all received repeat nominations, while J. Smith-Cameron, Adrien Brody, Arian Moayed, Alexander Skarsgård, Hope Davis, and Sanaa Lathan all received acting nominations as well.