Richard Todd (Peter Marshall)
Billy Chapin (Peter John Marshall)
Jean Peters (Catherine Marshall)
Marjorie Rambeau (Mrs. Fowler)
Jill Esmond (Mrs. Findlay)
Les Tremayne (Senator Harvey)
Dorothy Neumann (Miss Crilly)
Robert Burton (Mr. Peyton)
Sally Corner (Mrs. Whiting)
Voltaire Perkins (Senator Wiley)
Marietta Canty (Emma)
Edward Earle (Sen. Prescott)
Peter J. Votrian (Peter Marshall, Ages 7 to 14)
Janet Stewart (Nancy)
Ann B. Davis (Ruby Coleman)
Sam McDaniel (Maitre d')
Betty Caulfield (Jane Whitney)
Oliver Hartwell (Janitor)
Doris Lloyd (Miss Hopkins)
William Forrest (President)
Barbara Morrison (Miss Standish)
Carlyle Mitchell (Dr. Black)
Amanda Randolph (Willie)
Ricky Kelman (Peter, Age 5 1/2)
Emmett Lynn (Mr. Briscoe)
William Walker (Butler)
Charles Evans (President of Senate)
Alexander Campbell (Elder)
Jonathan Hole (Elder)
Larry Kent (Chaplain)
Roy E. Glenn, Jr. (Holden)
Ruth Clifford (Nurse)
Ben Wright (Mr. Findlay)
Florence MacAfee (Mrs. Ferguson)
Christopher Cook (Bon Hunter)
Winston Severn (David Weed)
Maudie Prickett (Mrs. Pike)
Gladys Hurlbut (Mrs. Peyton)
Richard Garrick (Col. Whiting)
Gloria Gordon (Barbara Tremaine)