Alan Ruck most recently appeared as a series regular on HBO’s critically acclaimed "Succession," for which he was nominated for an Emmy Award in the category of Outstanding Supporting Actor in a Drama Series. In 2022 he costarred in the Hulu limited series, "The Dropout" which chronicles the real-life and fall of Elizabeth Holmes and her controversial medical start up Theranos. In addition, he co-starred in the Amazon studios "The Burial" starring opposite Tommy Lee Jones and Jamie Foxx. He also joined the cast of the sequel to the 2017 Award-winning crime drama "Wind River: The Next Chapter" for Castle Rock Entertainment. He was already a seasoned young theatre actor originating the role of Don Carney in Neil Simon’s “Biloxi Blues” on Broadway when director John Huges came to see his co-star Matthew Broderick in the show. Thanks to the visit, Alan ended up as the second lead in Huges iconic film “Ferris Bueller’s Day off.”

Since then, Alan's other films have included “War Machine,” “Dreamland,” “Extraordinary Measures,” “I Love You Beth Cooper,” “Ghost Town,” “Cheaper by the Dozen,” “Three for the Road,” “Bloodhounds of Broadway,” “Three Fugitives,” “Young Guns II,” “Star Trek Generations,” “Speed,” and “Twister.” He can also be seen opposite Geena Davis, in the ESPN miniseries “Bronx is Burning” in which he starred with John Turturro and Oliver Platt.