James Norton larked around with his Playing Nice co-stars James McArdle, Niamh Algar and Jessica Brown Findlay at an ABBA party.

In the fun-filled Instagram snaps that he shared on Tuesday, the cast spent some downtime together following the success of their ITV drama.

Playing Nice follows the gut-wrenching story of two parents who find out that their children were swapped at birth. 

Happy Valley actor James, 30, plays Pete Riley in the show, while Niamh Algar, 32, plays his partner Maddie Wilson.

Meanwhile McArdle, 35, stars as Miles Lambert and Jessica Brown Findlay, 35, plays Lucy Lambert.

The group slipped into retro 70s-inspired ABBA looks as they recreated the group’s infamous picture.  

James Norton (R) larked around with his Playing Nice co-stars James McArdle, Jessica Brown Findlay and Niamh Algar (L-R) at an ABBA party

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The group slipped into retro 70s-inspired ABBA looks as they recreated the group’s infamous picture (Björn Ulvaeus, Anni-Frid Lyngstad, Agnetha Fältskog and Benny Andersson pictured L-R in second pH๏τo)

Playing Nice hit our screens earlier this month but most viewers binged the whole series on ITVX. 

Some haven’t held back on their opinions of the show – taking to social media with brutal critiques.  

Some viewers complained that it was an ‘unrealistic’ drama and highlighted one major flaw in the ‘far fetched’ plot. 

During the series, the parents manage to meet up after finding each other’s addresses, without the help of social services. 

Many pointed out that this wouldn’t happen in real life. 

And after the second instalment on Monday night, viewers furiously asked how the series could be ‘strung out’ any further as they ‘lost interest’ and turned off their TVs after the ‘pathetic’ instalment. 

Despite that, others have shared how much they loved binging the drama. 

One wrote on X, formerly known as Twitter: ‘#playingnice wow. Great series @ITV.’ 

In the fun-filled Instagram snaps that he shared on Tuesday, the cast spent some downtime together following the success of their ITV drama

Jessica and Niamh dressed to impressed with faux-fur jackets and heart-shaped glᴀsses

McArdle looked stylish in an ABBA fancy dress costume

Norton shared fun behind-the-scenes snaps of McArdle

James plays Pete Riley in the show 

Niamh plays Maddie Wilson in the ITV drama 

McArdle plays Miles Lambert, while Jessica Brown Findlay has taken on the role of Lucy Lambert

Despite some negative reviews, there have been some very positive ones praising the drama

Another said: ‘If you watch anything this year, (binge) watch #PlayingNice on @ITVX .. don’t think I’ve ever hated a character so much in my life whilst still thinking the series was so bloody good! Talk about intense.. and quite possibly the best child actor for his age I’ve ever seen!’  

A third added: ‘UK people if you haven’t already you need to watch #PlayingNice such an epic show.’

While a fourth chimed in: ‘Finished #PlayingNice.. great ending, and great season.’ 

Watch Playing Nice on ITV1 and ITVX.