Bob Jiras Director, Screenwriter Robert MacNaughton Adam Farmer Actor Hope Lange Betty Farmer Actor Robert Wagner Dr. Brint Actor Don Murray David Farmer Actor Cynthia Nixon Amy Hertz Actor Lee Richardson Mr. Grey Actor John Fiedler Arnold Actor Sudie Bond Edna Actor Frank McGurran Young Adam Actor David Lange Screenwriter, Producer Albert Schwartz Executive Producer Michael S. Landes Executive Producer Jack Schwartzman Executive Producer David Quaid Cinematographer Nicholas C. Smith Film Editing Jonathan Tunick Original Music Roland I. Brooks Art Director