The 57-year-old actor was spotted with the look alike in Gendarmenmarkt, a square in Berlin's Mitte district.
The scene was being shot at nighttime and the two could be seen surrounded by a production crew as they approached a black car.
On Wednesday Keanu Reeves was seen filming a scene for John Wick 4 with a stunt double in Germany
The pair wore identical black suits with white collared shirts and black ties.
Their dark neck-length hair was a bit disheveled for the takes and they sported short beards.
The fourth addition to the franchise is due out May 27, 2022.
Seeing double: The 57-year-old actor was spotted with the look alike in Gendarmenmarkt, a square in Berlin