George Clooney found it "difficult" to be in New York so soon after Philip Seymour Hoffman's death.
The Oscar-winning actors enjoyed a close friendship, both on screen and away from work.
Last night George was in the American city to attend the premiere of his latest movie The Monuments Men, and was clearly upset to be in such close proximity to where his friend died.
"I wanted to start by saying it's very odd to be here in New York, particularly a couple of days after a good friend of ours has passed away. It makes it difficult, and I think it's the elephant in the room for a lot of us here," George said as he introduced the film at the Ziegfeld Theatre.
"It's senseless and it's sad, but he will be greatly missed. Phil will be greatly missed. It's hard to be here tonight with that… weighing over us, but I wanted to say that."
Philip was found dead at his New York apartment on Sunday. He was 46 and died of a suspected heroin overdose. Some reports have stated that 70 bags of heroin were found in his home.
Philip and George co-starred in 2011's The Ides of March, where Phil played the campaign manager to George's presidential candidate.
George, 52, had earlier spoken about how everyone was "putting on a brave face" as they attended the New York Screening following Philip's "senseless" death.
"Phil is a good friend to a lot of us in the community. And it makes it very difficult to be here 48 hours in this town after he died… everybody's here kind of putting on a brave face to get through this because it's a pretty traumatic thing. We're going to miss him a lot and it's senseless in a lot of ways… We miss him," he said, sombrely.