Stefan Arngrim (born December 23, 1955), sometimes credited as Stephan Arngrim, is a Canadian actor and former child actor. He is perhaps best known for his role as Barry Lockridge on the Irwin Allen television series Land of the Giants which aired from 1968 to 1970. Arngrim was born in Toronto, Canada, the son of actress Norma MacMillan and Thor Arngrim. He is the elder brother of actress Alison Arngrim, who alleges that he regularly molested her throughout her childhood.
He has the distinction of being the only one of the two boys who appeared on Irwin Allen's TV series to be doubled. He and Bill Mumy were the only boys to appear in Allen's series, and Mumy had the distinction of being the only one of the two boys to appear as his past self (in the Lost in Space (1965) episode "Project: Earth"), in a flashback to the time of the Jupiter Two's original launch. But Stefan had to be doubled for in the Land of the Giants (1968) episode "Wild Journey" because he had already gone into puberty and thus could not appear as his younger self.
4
He is an accomplished songwriter. He wrote several songs with the late Warren Zevon on the album "Transverse City". And worked with many accomplished musicians.