NYCasting has put out a casting all for a Caucasian male to play a masked assassin for scenes to be filmed for John Wick on Friday, December 6, and Sunday, December 8.
The ad is here.
Note: Assuming the info is correct, the funeral scene exteriors and the assassin scene will be tomorrow. The funeral scene is in Long Island so you have to wonder if the assassin scene will be nearby to make their lives easier.