ABC Photo Archives/Disney General Entertainment Content via Getty; Gregg DeGuire/Variety via Getty Tahj Mowry says he was never confused about Mary-Kate and Ashley Olsen playing the same character ...

Tahj Mowry says he was never confused about Mary-Kate and Ashley Olsen playing the same character on Full House thanks to his experiences with his own twin sisters, Tia and Tamera Mowry.

I was able to grow in that way. So I'm grateful for [the experience]." Smart Guy, which followed Mowry's child prodigy character T.J. Henderson, who goes from being a fourth grader to a high ...