Daniel Jacob Stern (born August 28, 1957) is an American actor of film and television. He is known for his roles in the Hollywood films C.H.U.D., City Slickers and the first two Home Alone films, and as the narrator for the television series The Wonder Years.

Stern was born in Bethesda, Maryland to a social worker father and a mother who managed a day care center. His brother is television writer David M. Stern. According to IMDB.com, Stern is 6′4″ (193 cm). Stern graduated from Bethesda-Chevy Chase Senior High School in 1975. During his years at B-CC, Stern starred in several theater productions, including playing C.C. Baxter, the Jack Lemmon role, in The Apartment. Stern applied for a job as a lighting engineer for a Shakespeare Festival in Washington, D.C., but was hired as a walk-on. After taking acting lessons, Stern began his acting career in Off Broadway and Broadway productions, including a performance at Second Stage Theatre with actor Bob Gunton.

In 1979, Stern made his movie debut as Cyril in Breaking Away. The following year he played a student who raised objections during Jill Clayburgh's proof of the snake lemma in the film It's My Turn. His breakthrough role as an actor came in Barry Levinson's Diner. He had another early film role in the 1984 horror film C.H.U.D., as the soup kitchen C.H.U.D. hunter. He was the original choice to play Biff Tannen in the 1985 film Back to the Future, but he turned the role down.