"Peaky Blinders" season 4 is set to introduce new characters this season. One of the "Game of Thrones" actors, Aidan Gillen will be part of the casts together with the Academy award-winning actor Adrien Bordy this season. Further, one of the old characters is also set to make a return in the person of Charlotte Riley.

Just recently, the news came out that Aidan Gillen will be joining the show as an addition to the characters. However, there were no details yet on what character he will be portraying. It is also interesting to know if he will indeed play an Irish character. It can be recalled that protagonist Tommy Shelby once had a clash with an Irish during the past season, Independent reported.

Further, as per Econotimes, another actor is joining "Peaky Blinders" season 4. Adrien Brody has been identified as another addition to the British TV drama. As of now, there are no details revealed yet pertaining to his character, however, show creator Steven Knight assured fans that his presence on the series will be incredible.

Meanwhile, one of the previous characters will also make a return in this season 4. Charlotte Riley who played the role of May Carleton will be featured this season once again. Many wondered why the actress no longer appeared since season 2 but she will be returning in season 4.

There was a previous scene when Tommy had to choose between marrying May and Grace. However, since Grace died, there will be a great chance for the pair to rekindle their romance if her return is not meant for business only.

"Peaky Blinders" season 4 still include the core casts members for the forthcoming season and by early 2018, they are expected to make the release on BBC.