Before They Were On 'Supergirl'

Before she became National City's superhero, she guest starred as Renee on 'Blue Bloods.'

Before he was CatCo's star photographer and Team Supergirl member, he was Eggs Talley on 'True Blood.'

Before she was Kara's special agent sister, she was Mary's troubled friend Frankie on '7th Heaven.'

Before he provided the tech on Team Supergirl, he provided a voice as Jimmy on 'Smash.'

Before he became J'onn J'onzz and joined the team, he was part of another team as Tuck in 'Robin Hood.'

Before she was a media mogul, she was an attorney who once danced with a giant baby on 'Ally McBeal.'