Cat Grant Supergirl Actress 2025 List. Ally mcbeal’s calista flockhart is the latest addition to the cbs supergirl pilot as cat grant. Calista kay flockhart (born november 11, 1964) is an american actress.

The younger cat grant is set to. Upon the discovery of another hero on earth in national city, cat named the superheroine supergirl and helped make her to become the hero she is today.