John D'Aquino

John D'Aquino (born April 14, 1958) is an American film and television actor. He gained recognition for his role as Lieutenant Benjamin Krieg in seaQuest DSV. D'Aquino is also known for his performances as Joel in the film Pumpkinhead, U.S. President Richard Martinez in Cory in the House, and as Ulysses in Xena. He has appeared in Quantum Leap as Frank LaMotta, in Seinfeld as Todd Gack, and in 3rd Rock from the Sun as Sally's teacher boyfriend, Mr. Randell. Early in his career, he was credited as John Di Aquino or John DiAquino. D'Aquino was born in Brooklyn and raised in Queens. He discovered his passion for television at a young age and began his career with a main cast role in the 1985 series Wildside.