If acting is indeed genetic, then Troy Garity should have no worries: He is the grandson of screen legend Henry Fonda and the son of two-time Academy Award winner Jane Fonda. When his mother gave birth to him in 1972, she and then-husband Tom Hayden opted not to saddle their son with either well-known surname, thus allowing him to develop his own individuality. Clearly, acting was in his blood, though, and Garity began by spending his childhood summers at the Laurel Springs Camp for the Arts in Santa Barbara. In 1993, he moved to NYC to attend the American Academy of Dramatic Arts and three