In May 2005, Olin returned to Alias for a two-episode appearance at the end of the show's fourth season, and subsequently appeared again in the fifth season, initially in a cameo in December 2005, and then following a four-month hiatus she appeared again in April 2006, and for the finale on 22 May 2006.
In 2005, Olin returned to Sweden for a brief period of filming and starred in a supporting role in Danish director Simon Staho's film Bang Bang Orangutang (with a punk music soundtrack by, among others, The Clash and Iggy Pop).