Watertown actress Eliza Dushku, who was recently cast in the Gregg Allman biopic starring William Hurt, brought her niece and a friend to the Museum of Fine Arts on Wednesday. They toured the Linde Family Wing for Contemporary Art and Egyptian galleries and then posed in front of Antonio López García’s sculpture “Night.”Mark Shanahan can be reached at firstname.lastname@example.org. Follow him on Twitter @MarkAShanahan. Meredith Goldstein can be reached at email@example.com. Follow her on Twitter @MeredithGoldste.