Many thanks to @ilove_Keanu92 and @zsangjwa for sharing on twitter!
Korean actor Yeo Hyeon-Su has posted photos that he took with Keanu Reeves on the John Wick set during the shoot in New York City. Fellow Korean actor and director Man-dae Bong was also with him and also appears in the photos.
You can view them here, here and here.
With Man-dae Bong
with Yeo Hyeon-Su