Asplund is mostly known for playing Astrid on the History Channel series Vikings and Pernilla Blomkvist in The Girl with the Dragon Tattoo 2011.
The actress, best known for her role as tenacious Arya Stark, visited the Japanese town of Taiji last week as she continues to campaign against the capture and killing of dolphins across the country.
The hunters in Taiji, as well as their supporters, have repeatedly defended the custom as tradition, although eating dolphins is extremely rare in Japan.
Modeling was never a permanent career path.
Another photograph features Williams with her female friends getting undressed near the sea.
Lucy is married to producer Robert Gerard Tapert and resides in New Zealand.