Cast Credits Supergirl (2015) Guest starring as Young Alex Danvers (4 episodes) Episode 2x19: Alex (May 1, 2017) [Co-Star] Episode 1x17: Manhunter (Mar 21, 2016) [Co-Star] Episode 1x04: Livewire (Nov 16, 2015) [Co-Star] Episode 1x01: Pilot (Oct 26, 2015) [Co-Star] View 1 more View 1 less