who plays ash the porcupine in sing
- Scarlett Johansson Plays Ash, the Prickly Porcupine, in SING. by Â· December 24, 2016. Superstar Scarlett Johansson breathes life to Ash, a prickly teenage porcupine with a punk-rock attitude, in Universal Pictures and Illuminationâs Sing, a musical comedy about finding the shining star that lives inside all of us.