Dudley Moore
Dr. Jack Hammond / Chris Hammond
Kirk Cameron
Chris Hammond / Dr. Jack Hammond
Margaret Colin
Ginnie Armbruster
Catherine Hicks
Dr. Amy Larkin
Patrick O'Neal
Dr. Larry Armbruster
Sean Astin
Clarence / Trigger
Camille Cooper
Lori Beaumont
Micah Grant
Rick Anderson, Lori's Boyfriend
Bill Morrison
Trigger's Uncle Earl
Skeeter Vaughan
Medicine Man
Larry Sellers
Navajo Helper
Tami David
Navajo Girl
Maxine Stuart
Phyllis, Hammonds' Housekeeper
David Wohl
Dr. Roger Hartwood
