Donald Sutherland , who died Thursday at age 88 following a long illness, has received widespread tributes from fellow actors, Oscar-winning filmmakers and President Joe Biden himself.

Sutherlands lifelong friend, actor Elliott Gould, vowed to never forget him.

Its never easy, losing the caliber of a human being and actor like Donald Sutherland, but this one really profoundly hurts because Donald was like my brother, and a big part of my own career, Gould wrote on Instagram .

Rest in peace, you, dear, dear Kind friend, he wrote. I love you and I will never forget you.

Kiefer Sutherland confirmed his fathers death on social media Thursday and has since thanked the public for their thoughts . His physically and artistically towering father, who earned an honorary Oscar in 2017, was perhaps most notably mourned by the sitting U.S. president.

Donald Sutherland was a beloved husband, father, grandfather, and one-of-a-kind actor who inspired and entertained the world for decades, Biden wrote on X, the platform formerly known as Twitter . My thoughts are with his family and all those who loved him.

Sutherlands career spanned more than 60 years , and hes been mourned by fans from multiple generations as a result. Some lauded him as the fine actor who delivered Oliver Stones exposition in JFK, while others pointed to his performance in the Hunger Games movies. Still others have argued that he cemented his legacy as the star of classic films including Dont Look Now and The Dirty Dozen.

We asked the kindest man in the world to portray the most corrupt, ruthless dictator weve ever seen, read a post on X from the official account of the Hunger Games franchise. Such was the power and skill of Donald Sutherlands acting that he created one more indelible character among many others that defined his legendary career.