His Apollo 13 pals, Tom Hanks and Kevin Bacon, couldn't help but remember the special man behind the scenes.
"Bill Paxton was, simply, a wonderful man. A wonderful man," Hanks recalled.
"Some of my favorite memories are of floating around in a tiny vessel with big hearted,hilarious,brilliant Bill Paxton," Bacon added on Twitter. "Sad day."
True Lies co-star Jamie Lee Curtis shared her shock.
"Nooooo. Bill Paxton is gone," she tweeted. "Such a funny, talented, loving human. Louise & the children & family my [love] & support 2 u."
ncG1vNJzZmivp6x7prvNpaCnnV6YvK57zZ6urGdoaH9xfZRomqGZoqG2u7GMrZ%2Beqp%2Bjeqmxy56lZqClo8Furc2dZKanopp6tMDAq6pmqpWisq6uxKtkm6GcoXqxrdetpqdln6OybrvFZquhnV2btq%2Bx0q1kmpukpL%2B0edOoZKygkaeybq2MrJytZaeewak%3D