Ragna Wettergreen was born in Christiania (now
Oslo),
Norway. She was the daughter of Olaus Olsen and Inger Marie Rynning Kristianisen. She was the sister of the actress
Marta Frogg and the aunt of the actor
Odd Frogg. In 1889 she married the defense attorney Haakon Ingolf Wettergreen (1858–1902). She married a second time in 1903, to the artillery captain Roald Skancke (1876–1932). She made her stage début at
Christiania Theatre in 1886. She performed at Christiania Theatre until it closed in 1899, and from then mainly at
Nationaltheatret. For the 1905 to 1909 seasons, she was at the Fahlstrøm Theater. She is particularly known for several title roles or principal characters in plays by
Henrik Ibsen, such as
Lady Inger of Ostrat,
Hedda Gabler,
The Vikings at Helgeland,
Rosmersholm,
John Gabriel Borkman,
Little Eyolf, and
The Wild Duck. She also participated in films, first in 1912, in the Danish film
Historien om en moder and later in the 1915 film
Madame de Thèbes, where she played the titular character
Madame de Thèbes.{{cite web|url= https://danskefilm.dk/skuespiller.php?id=5365|title =Ragna Wettergreen|website= danskefilm.dk ==References==