Hilmar was nominated for an Edda as Actress of the Year in a leading role in 2007 for her role in The Quiet Storm. Later she won the same award, twice, first in 2015 for her role as Eik in Life in a Fishbowl, and then in 2017 for her role as Anna in The Oath. She was also chosen as one of Europe's Shooting Stars at the Berline International Film Festival in 2015, as well as winning a ‘special mention’ at the Zurich Film Festival for her role in Life in a Fishbowl.