Tordis "Lillemor" Halvorsen (4 January 1884/1885 – 19 July 1955) was a Norwegian actress.

It was here she made her second debut as Helga in Geografi og Kærlighed on 8 November 1900.

[2] She once again performed alongside her father in 1905 in Elias Kræmmer's Uncle Nabob, where she portrayed Ellen.

[3] Halvorsen was employed by the theatre until 31 October 1908, when she left to marry Christian Mohr and move to China.

[1] Halvorsen returned to stage as Tordis Arbuthnot and performed in London at the Ambassadors Theatre, where she portrayed the role of Panthea in the play of the same name.