You probably recognize him as Captain von Trapp in the iconic film ‘The Sound of Music,’ but with a career that spanned more than 50 years, he is remembered for an even more diverse catalogue of work.

At 82, he became the oldest Academy Award-winning actor in history. Playing opposite July Andrews as Captain von Trapp was his most recognized role, and what made him a star.

In recent years, he starred in the film “The Girl With the Dragon Tattoo” and as the villain’s voice in 2009’s “Up.” He also played the canny lawyer in Broadway’s “Inherit the Wind,” and in 2019 starred as murder mystery novelist in “Knives Out.” He also made his way to tv in the suspense drama series “Departure.”

Julie Andrews and more stars shared touching tributes, with many taking to social media to honor Plummer’s legacy. Andrews called Plummer a “cherished friend” in a statement.

“The world has lost a consummate actor today, and I have lost a cherished friend,” Andrews said in a statement obtained by ABC News. “I treasure the memories of our work together and all the humor and fun we shared through the years. My heart and condolences go out to his lovely wife Elaine, and his daughter Amanda.”

Actor Chris Evans, who starred alongside Plummer in “Knives Out,” said the actor’s death is an “unbelievable loss.”

“This is truly heartbreaking. What an unbelievable loss. Few careers have such longevity and impact. One of my favorite memories from Knives Out was playing piano together in the Thrombey house between set ups. He was a lovely man and a legendary talent,” Evans tweeted.

The official “Sound of Music” Twitter account shared a special note about the actor’s legacy.

“We’re saddened to hear of Christopher Plummer’s passing. His legacy as our Captain will live on in THE SOUND OF MUSIC forever. Our thoughts are with his loved ones during this time,” the tweet said.

Plummer passed away at his Connecticut home with his wife of 53 years, Elaine Taylor, by his side.

He was 91.