Alan Ruck (born July 1, 1956) is an American actor with experience in both television and movies.

Ruck is perhaps best known for his role as Cameron Frye, Ferris Bueller's hypochondriac best friend in John Hughes' Ferris Bueller's Day Off. He was also Captain John Harriman of USS Enterprise NCC-1701-B in Star Trek: Generations, and a passenger on the ill-fated bus in the 1994 classic Speed. His most recent work in film was as Steve Martin's neighbor in Cheaper by the Dozen. His TV roles include Stewart Bondek, a humorously perverted member of the mayor's staff on the former ABC sitcom Spin City.

Alan is a graduate of the University of Illinois. He currently lives in New York City. He is married with two children.