It will explore the origin behind the hotel-for-assassins through the eyes and actions of a young Winston Scott, who is dragged into the Hell-scape of a 1975 New York City.
The actor will join the previously announced cast that includes Ian McShane, Donnie Yen, Bill Skarsgård, Hiroyuki Sanada Rina Sawayama, Scott Adkins, Lance Reddick and Shamier Anderson.
Chad Stahelski, who helmed the previous three films in the series, is directing the new instalment from a script by Shay Hatten and Michael Finch.
The upcoming movie will see Reeves reprise his character of the super-assassin John Wick in the Lionsgate project.
Reeves and filmmaker Chad Stahelski are returning for the new movie in the action franchise after collaborating on three earlier parts.
Yen will play an old friend of Reeves' character of super-assassin John Wick in the Lionsgate movie.
The details of Sawayama's character have been kept under wraps.
Lionsgate TV chairman Kevin Beggs said 'The Continental' will have only three 90-minute episodes.