I mean, I know you're not going for a complete list but might I add some of the classics (Canada has always punched above its weight):

• Dan Akyroyd - Ottawa, ON
• John Candy - Newmarket, ON, RIP
• Alex Trebek - Sudbury, ON, RIP
• Catherine O'Hara - Toronto, ON, RIP
• Rick Moranis - Toronto, ON
• Eugene Levy - Hamilton, ON
• Ivan Reitman - Raised in Toronto, ON, RIP
• Martin Short - Hamilton, ON
• Gordon Lightfoot - Orillia, ON, RIP
• Lorne Micheals - Toronto, ON
• Pamela Anderson - Ladysmith, BC
• Leslie Neilsen - Regina, SK, RIP
• Howie Mandel - Toronto, ON