Fans are already expecting John Wick 4 to be nothing short of epic, however they now have another reason to get excited.

Donnie Yen has joined the cast for the fourth instalment to the film franchise and he will no doubt bring a hell of a lot of action.

The actor is well known from his starring role as Wing Chun grandmaster in the Ip Man series, as well as for playing Chirrut Îmwe in Rogue One: A Star Wars Story, Xiang in xXx: Return of Xander Cage and Commander Tung in the Disney live action movie Mulan.