It's the 40th anniversary of 'Back to the Future' this year and the Calgary Expo is celebrating.
The expo announced that cast members Michael J. Fox, Christopher Lloyd, James Tolkan and Claudio Wells will be in attendance.
It's one of only four cities that will feature the four stars of the iconic movie and trilogy.
Fox and Lloyd will be part of a special event on Friday, April 24 with all four members appearing together on Sunday, April 26.
Tickets go on sale Tuesday at 10 a.m.
Comic legend Frank Miller, author of Batman: The Dark Knight Returns, and countless others will also be appearing at the Calgary Expo this year.
Miller was known for his legendary run on Daredevil including Born Again, and actor Charlie Cox, who plays Daredevil in the TV series, will also be in attendance.
The Calgary Expo runs from April 24 to 27.