Jeffrey is a veteran of film, theater, television, environmental, industrial and commercial acting.

He started on stage in '72, and in professional film in '77. He’s perhaps best known for taking over the role of George McFly in "Back to the Future II and III", but he also co-starred with Clint Eastwood in “Pale Rider”, with John Lithgow in “Twilight Zone: The Movie”, on TV with Dick Van Dyke in “Diagnosis Murder” and many others.

He's worked with directors; George Miller, Louis Malle, Robert Zemeckis, Amy Heckerling, Catherine Harwicke, Clint Eastwood, Mark Rydell, Oz Scott and dozens of other industry greats.