McCann is known for such television credits as Bad Sisters, The Hardacres, The Boy That Never Was and Star Wars: Visions. Additionally, she has appeared in such features as Never Grow Old and was IFTA-nominated for Herself and can soon be seen in Feed. McCann is represented by United Agents.

Lionsgate announced it would be producing a film adaptation of Suzanne Collins' "Sunrise on the Reaping" before the book was even released.

Confirming what’s been rumored for weeks, Elle Fanning is now set for the role of Effie Trinket, stylist for Haymitch Abernathy in the lead-up to the 50th Hunger Games, in Lionsgate ‘s The Hunger Games: Sunrise on the Reaping, an adaptation of the bestseller by Suzanne Collins.