‘Superman’ Set Photos Confirm Frank Grillo’s Rick Flag Sr. & A Mysterious New Character

The cast of Superman just keeps growing! A new batch of set photos confirms Frank Grillo’s Rick Flagg along with a mysterious new character. Fans have known Frank Grillo would be making his live-action debut as Rick Flag Sr. soon thanks to recent confirmation that he was filming for Peacemaker season 2. However, it seems he’s also joining the cast of Superman, with a new video and set photos…

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