Hassie Harrison (“Yellowstone”) has been join the cast of Fox ‘s upcoming “ Baywatch ” reboot. The actor joins a growing cast that includes Stephen Amell , Jessica Belkin, David Chokachi and the just-announced Thaddeus LaGrone . In the new “Baywatch,” Harrison will play Nat, who according to the character description is “a former foster kid turned Olympic athlete. Nat is the gold standard when it comes to lifeguarding. Brilliant, driven, and fiercely loyal, she’s Hobie’s right hand and closest