'Supergirl' Casting: Dean Cain, Helen Slater, And More Join CBS Series
More Supergirl casting updates: Dean Cain and Helen Slater will guest star on the CBS series, while David Harewood and Chyler Leigh will be series regulars.
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More Supergirl casting updates: Dean Cain and Helen Slater will guest star on the CBS series, while David Harewood and Chyler Leigh will be series regulars.
Read More