As Topanga Lawrence, Danielle Fishel added spark to Boy Meets World and was made a series regular and Cory's love interest. She'll play his wife in Girl Meets World, hearkening back to the special wherein the two got married.
After playing Eric Matthews on Boy Meets World, Will Friedle went on to become a voice actor, making small appearances in films and television series along the way. How he didn't end up a hearthrob on a CW show is anybody's guess.
Rider Strong played Shawn Hunter, Cory Matthews' best friend on Boy Meets World. While he, at one point, declined to reprise his role for Girl Meets World, he is expected to appear during a holiday special.
FEEEEEENYYYY!!! Mr. Feeny, William Daniels, was the beloved principal and mentor to the Boy Meets World gang. He then became a mentor to a young Dr. Christina Yang on Grey's Anatomy. He'll be returning to the small screen for Girl Meets World.