Don Murray
— Norman Vincent Peale
Diana Hyland
— Ruth Stafford Peale
William Windom
— Rev. Clifford Peale
Virginia Christine
— Anna Peale
Carol Ohmart
— Evelyn Grace
Veronica Cartwright
— Mary
Liam Sullivan
— Dr. Arthur Gordon
Ian Wolfe
— Bishop Hardwick
Charles Lampkin
— Lafe
Arthur Peterson
— Instructor
Hope Summers
— Mrs. Elwood Thompson
Virginia Sale
— Miss S. E. Collingswood
Rory O'Brien
— Leonard Peale as a Child
David Alan Bailey
— Robert Peale as a Child
Mickey Sholdar
— Norman Peale as a Child
Paul Marin
— Sam Feldman
Hank Stanton
— Jack Wilson
Bryan O'Byrne
— Organist
Eddie Ryder
— Gas Station Attendant
Ed Peck
— Harry the Reporter
John Harmon
— Elder Sam Marcus
Joseph Hamilton
— Elder Thompson
Tom Palmer
— Prof. Aiken
Sandra Bettin
— Alma
Wendy Ferdin
— Margaret Peale
Sharyl Locke
— Elizabeth Peale
Butch Patrick
— John Peale
Gerald Gordon
— Robert Peale, Grown
Tom Skerritt
— Leonard Peale, Grown
Vernon Rich
— Mr. Melton