Hamilton star Daveed Diggs is in talks to play Sebastian the crab in Disney’s live-action remake of The Little Mermaid, Collider has confirmed. Halle Bailey will star as Ariel, the mermaid princess who dreams of becoming human, while Melissa McCarthy is set to play her evil aunt, Ursula. Elsewhere, Jacob Tremblay and Awkwafina have closed deals to play Flounder and Scuttle, respectively, while Oscar winner Javier Bardem remains in talks to play Ariel's father, King Triton. Finally, Deadline reports that Cameron Cuffe (Krypton) and Jonah Hauer-King are among those who recently tested for the role of …