William Shatner honours his 'friend, colleague and a magnificent actor'
Ricky Gervais: 'What an actor'
The Academy: 'Behind that unmistakable voice was an actor who understood that even the greatest heroes could be uncertain, that strength could exist alongside vulnerability, and that compassion was never a weakness'
The Russo Brothers: 'A legendary actor with an unmistakable presence and unmatched integrity'