Eriksen has acted at several Norwegian theatres and is known for her role in the soap opera Hotel Cæsar.
[2] His father Marius Eriksen, Sr. was a gymnast who won a bronze medal in the 1912 Summer Olympics.
[6] She has also acted in movie and television roles, most prominently in the soap opera Hotel Cæsar.
[6] Eriksen teaches drama at the Bærum Waldorf School and is the head of its theatre department.
[8] Eriksen married actor Toralv Maurstad on New Year's Eve 1999, on a beach in Måløy, Norway.