Actors often leave a film set with more than memories—some take home a prized prop or even a four-legged friend. From Viggo Mortensen’s furry companions to Sophie Turner’s direwolf and Audrey Hepburn’s deer, here are the stories of stars adopting their animal co-stars.

Sophie Turner

In Game of Thrones, Sophie Turner’s fondness for Sansa Stark’s direwolf extended beyond the screen. “Growing up, I always wanted a dog, but my parents never wanted one,” she shared with CoventryLive in 2013. “We kind of fell in love with my character’s direwolf, Lady, on set.” When Lady’s time on the show concluded and Zunni, the Northern Inuit dog portraying her, required a permanent home, Turner’s family eagerly offered theirs.