Actor Eriq La Salla will be joining the cast of Wolverine 3.

The character the actor will be playing is still unknown, reported Variety. Other actors on board are Boyd Holbrook and Stephen Merchant. James Mangold is directing the film and David James Kelly penned the script.

La Salle is best known for his role as Dr. Peter Benton in the television show ER and as Darryl in Coming to America. He recently was in the TV shows A Gifted Man and The Widow Man. He also directed episodes for shows such as CSI: Cyber, Madame Secretary, Crisis, Battle Creek and Night Shift.

Patrick Stewart will also be returning for Wolverine 3, playing Professor Charles Xavier, reported Movie Web. A recent casting call also throws a hint that X-23 might make an appearance in the film, as the production company is looking for actors that match the description of X-23. This film will be the last one for Hugh Jackman who plays Wolverine.

Wolverine 3 is the 10th film in the X-Men franchise, following X-Men: Apocalypse which is set to hit theaters May 27.

Wolverine 3 is slated to hit theaters on March 3, 2107.