He doesn't just wave to his fans or sign autographs, he leans into it with a huge genuine grin.
Viggo with fans in Venice (you can see they attracted him with that sign... wonder what it says?) at the premiere of A Dangerous Method
I was lamenting on Twitter earlier that I can't imagine TIFF being as exciting as Venice this year. Perhaps it was the mad desire to welcome prestige movie season in but doesn't it feel explosively exciting right about now? So much possibility. So many beloved faces. So many movie stars that aren't wearing spandex in front of a green screen.