Ross Butler may play the adult Eugene.
Shazam! Family Reportedly Cast for Upcoming DCEU Film
https://www.cbr.com/shazam-marvel-family-cast-brody/While none of these castings have been confirmed by DC and New Line, it’s expected that Brody will play Freddy Freeman, while Borth will play Mary, Butler will play Eugene, Cotrona will play Pedro, and Good will play Darla. The news comes after Mr. Will Wong spotted a slew of the new additions around Toronto — where the film is currently in production — earlier this month.