Was Jimmy McNichol on Little House on the Prairie?

Jimmy McNichol was considered a teenage heartthrob in the 1970s and 1980s and the appeared on a series of episodes of Little House on the Prairie in 1974 during the first season of the show, which was one of his first television show credits.

He appeared in three episodes as Harry Baker:

• The Love of Johnny Johnson
• School Mom
• The Voice of Tinker Jones

Harry was one of the students attending school in Walnut Grove.  He also appears in many photos from the episode today as he was standing next to an uncredited Sean Penn in the episode The Voice of Tinker Jones.