In the hours prior to the official opening of the 2015 Calgary Comic & Entertainment Expo, organizers have released a last minute addition to the guest list.

Neil Patrick Harris, award-winning star of television, film and stage, will make a one-day appearance, Friday, April 17, for autograph signings, scheduled photo-ops, and a panel in the Stampede Corral. Photo-ops with NPH are $85 each and must be booked in advance.

“It’s fair to say that our office has never been so universally excited for a guest to attend Calgary Expo as we are for Mr. Harris,” said Calgary Expo host, Emily Expo. “His charm and talent cross all genres from films to Hollywood awards shows to silver screen to web series and we are truly honoured that he has selected Calgary for his first convention appearance.”

Neil Patrick Harris’ resume includes roles in How I Met Your Mother, Doogie Howser and Harold & Kumar Go To White Castle

In addition to his acting roles, Patrick Harris hosted the 2015 Academy Awards.

Neil Patrick Harris joins a star studded 2015 Calgary Expo lineup which recently added:

  • Rosario Dawson (Sin City, Daredevil)
  • Matt Ryan(Constantine)
  • Danai Gurira (The Walking Dead)
  • Hayley Atwell (Agent Carter)

The Calgary Expo’s complete guest lineup is available here

Previously announced guests; comic legend Stan Lee, The Walking Dead’s Norman Reedus, actress Tara Reid, and Superman, Brandon Routh, are no longer able to attend this year’s event.

Single tickets and four day passes for the 10th Anniversary of the Calgary Expo which takes place throughout Stampede Park from April 16-19, are available at Calgary Expo.