Young Martin Cummins vs. Casey Cott as young Tom Keller
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Riverdale flashback: Here’s how the cast look compared to their TV parents as teens
8. Young Martin Cummins vs. Casey Cott as young Tom Keller
Seeing Casey Cott play anyone other than the beloved Kevin Keller is a little odd but he's so good at playing young Tom Keller, we kinda want him to do it all the time. And as for how much he looks like a young Martin Cummins? It's a yes from me.