[1] Andersson made her breakthrough by acting in various variety shows with Povel Ramel and Karl Gerhard.

She was part of the group around Hasse & Tage, acting in revues such as Gula Hund, Docking the Boat (Att Angöra en Brygga), Spader, Madame!, The Apple War (Äppelkriget), Ägget är löst, The Adventures of Picasso (Picassos Äventyr) and Häxan Surtant.

Later, she also portrayed two other characters on children's shows: Hedvig in Från A till Ö - En Resa Orden runt (From A to Ö - A Trip Around the Words) from 1974 and the small troll Daisy in Trolltider (Trolltimes) from 1979.

Andersson played Doris in the Jönssonligan movies, and she provided the Swedish voice for Lady Kluck in the Walt Disney animated movie Robin Hood and Blomhåret in Dunderklumpen.

She has become a well-liked and popular actress in Sweden[2] with a characteristic dialect (västgötska),[3] and although her main forte has been comedy, she has also had more serious and character roles.