He is best known for his role as Lt. Benjamin Krieg in seaQuest DSV, a role he reprised in the third season, and President Richard Martinez in the Disney Channel Original Series Cory in the House.
D'Aquino was born John Aquino in Brooklyn, New York. Now living in California, he serves as a on-set acting consultant for television networks including The Disney Channel and Nickelodeon. His Young Actors Workshop has turned out several notable young actors and holds weekly classes, casting workshops, and summer camps.
He has made guest appearances on Baywatch, Matlock, Melrose Place, Murder, She Wrote, Seinfeld, Sliders, Quantum Leap, Xena: Warrior Princess, Crossing Jordan, Hannah Montana, Monk, and Shake It Up. He had recurring roles on 3rd Rock from the Sun, JAG, and co-starred in Comedy Central's That's My Bush! as Larry O'Shea.