Dan Monahan was an actor who carved out a solid career in film and television, with Dan Monahan becoming known for his memorable performances across several decades. Early in his career, Dan Monahan made a name for himself with roles in notable films such as the dramatic adaptation Only When I Laugh (1981), starring Marsha Mason, and the wildly popular teen comedy Porky’s (1981). Before that, he had already begun gaining attention with an early role in the television special The Terrible Secret (1978–79), followed by a part in the TV movie adaptation of The Adventures of Huckleberry Finn (1980–81).

As his career progressed, Dan Monahan continued to build momentum, rejoining the Porky’s franchise with appearances in Porky’s II: The Next Day (1983) and Porky’s Revenge (1985). He also starred in the Tim Matheson-led comedy Up the Creek (1983), further showcasing his comedic timing. In 1987, Dan Monahan appeared alongside Judd Nelson in the courtroom satire From the Hip, adding another layer to his diverse filmography.

During the 1990s, Dan Monahan remained active in both film and television, contributing to a range of projects. He appeared in HBO’s Stephen King’s The Night Flier (1996–97), the Lifetime biographical special Intimate Portrait: Cybill Shepherd (1997–98), the thriller Shattered Illusions (1998), and the family comedy Baby Geniuses (1999), which featured Kathleen Turner. Dan Monahan’s final credited role came in Monkey Business (2000–01), capping off a career marked by versatility and steady presence on screen. Throughout it all, Dan Monahan maintained a quiet but consistent footprint in the entertainment industry.