She was interviewed about her father in Kevin Brownlow's 1995 documentary Cinema Europe: The Other Hollywood.
She sometimes worked under the name Guje Kanter.
Lagerwall, the daughter of film director and actor Victor Sjöström and actress Edith Erastoff-Sjöström, herself started an acting career and played supporting roles in a number of films.
She was married to actor Sture Lagerwall from 1940 until their divorce in 1956.