Ryan Jerome McCartan is an American actor and singer. For Disney, he portrays Diggie Smalls in the Disney Channel Original Series Liv and Maddie. In 2015, he and Liv and Maddie co-star (and his ex-fiancée) Dove Cameron guest starred in an episode of Austin & Ally. He also performed as Flynn Rider and a dancer in the Disneyland show Mickey and the Magical Map, back in 2013. In addition, he played Hans in the touring Broadway musical version of Frozen.
McCartan was born in Excelsior, Minnesota and began his career with stage roles, like Minnesota's first regional production of The Phantom of The Opera where he won Best Performance by an Actor at the Jimmy Awards, given out by The Broadway League.
Outside of Disney, McCartan starred in the direct-to-video film R.L. Stine's Monsterville: Cabinet of Souls and was cast in the lead role of Brad Majors in the 2016 Fox musical television film The Rocky Horror Picture Show: Let's Do the Time Warp Again. His television credits include The Middle, Last Man Standing, Royal Pains, Midnight, Texas, Freakish, and Love Daily.
He has also continued his stage career with shows, like Heathers: The Musical, Mutt House, Wicked, Scotland, PA, and hosted the Broadway Cares/Equity Fights AIDS viewing of 25 Years of Disney Broadway.