Richard E. Grant and Toni Collette lead tributes to 'gentleman' Sam Neill.

The Jurassic Park actor died on Monday in Sydney, Australia at the age of 78, prompting an outpouring of tributes on social media from his friends and co-stars in the U.K. and Down Under. Reacting to the news, his Palm Beach co-star Grant posted a series of photos of Neill and shared an insight into their friendship. "Knew @samneilltheprop for 3 decades and finally worked with him on PALM BEACH in 2018. An officer and a Gentleman in the truest sense. Guided and helped me through a very difficult time in my Life," he captioned the post…