Son Johan (born 1976) with ex-wife Malou Hallström.

Director Lasse Hallström and actress Lena Olin have a daughter, Tora, born in 1995.

He and his wife Lena Olin were both born in Stockholm.

He and Lena Olin are the first Swedish Oscar-nominated married couple.

Has (since 1999) frequently worked with cinematographer Oliver Stapleton

Has directed 4 actors to Oscar nominations: Michael Caine, Juliette Binoche, Leonardo DiCaprio and Judi Dench. Caine won for supporting actor honors for his low-key portrayal of a simple-hearted abortionist who runs a Maine orphanage and dies of accidental ether overdose in The Cider House Rules (1999).

Brother-in-law of Mats Olin.

He and Lena Olin moved to the US permanently in 1995. They reside in Bedford, New York.

Stepfather of Lena Olin's son F. Auguste Rahmberg.