Dugan played Leatherface's "grandfather" in the original 1974 film "Texas Chainsaw Massacre" and played the role again 39 years later in the 2013 film "Texas Chainsaw 3D". A record until Nick Castle reprized his role as "The Shape" in Halloween (2018) forty years after Halloween - La notte delle streghe (1978). He Usurped Gene Kelly's 36-year gap between Cover Girl and Xanadu.
