Disney + is nearly halfway through the Season 2 shoot on Rivals — and the racy Jilly Cooper adaptation has added two new guest cast members to its ensemble.

Mission: Impossible star Hayley Atwell has joined the cast as Helen Gordon, the ex-wife of Alex Hassell’s Rupert Campbell-Black and the mother of his two children, Marcus and Tabitha.

Rupert Everett ( My Best Friend’s Wedding ) is set to take on the role of Gordon’s husband, Malise Gordon, Campbell Black’s former show-jumping coach and mentor.

The casting was announced by showrunner Dominic Treadwell-Collins at the Edinburgh TV Festival, where he said that Rivals has filmed six of an extended 12-part second season.

Further casting includes Maxim Ays ( Boarders ), Holly Cattle ( Young Sherlock ), Oliver Dench ( H

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