Finneran plays Cheshire housewife Nikki Kirkbright, who develops a close bond with David Marsden (Robert Bathhurst) through his job in personal finance.

Despite her luxurious lifestyle, there is more than meets the eye as it becomes apparent that Nikki's husband George (Robert Glenister) is not the man he seems. 

When secrets are revealed, will David be able to help Nikki escape, or will he get tangled up in the situation?

"I'm incredibly happy to be involved in Cold Feet as I've always been a fan," said Finneran about her new role. "It's an absolute joy to be part of such a iconic series."

She continued, "Working with Robert and the rest of the cast has been a great pleasure."

The hit British series made a successful comeback last year, returning to the lives of Adam, David, Karen, Pete, Jenny, Tina and Matt after a 13 year break.

The seventh series will also see additional guests stars Jacey Sallés return as Karen's PA Ramona Ramirez, and new cast member Paul Ritter (Friday Night Dinner) as Karen's disagreeable new business partner, Benjamin.

Cold Feet series seven starts in September on ITV.