Many thanks to Daniele Rizzo for tweeting his link!
Daniele Rizzo has poste his interview with Keanu Reeves on youtube. He was dressed up as an Italian samurai for the interview and taught Keanu some Italian expressions with accompanying hand motions.
the clip is here.
Note: Daniele Rizzo is an actor and was born in Hanover, Lower Saxony, Germany. Some of his credits include Als gäbe es ein Morgen (2009), Unter der Oberfläche (2009) and Cloud Atlas (2012).