John Wayne
Stephen Aloysius Williams
Donna Reed
Alice Singleton
Chuck Connors
Stan Schwegler
Charles Coburn
le Père Matthew William Burke
Tom Tully
Father Malone
Sherry Jackson
Carol Williams
Marie Windsor
Anne Williams McCormick
Tom Helmore
Harold McCormick
Dabbs Greer
Father Peterson
Leif Erickson
Father Provincial aka Ed
Douglas Spencer
Father Procurator aka George
Lester Matthews
Cardinal William Patrick O'Shea
Murray Alper
Bus Driver
Phil Chambers
Bishop
Keith Clarke
Scholastic
Doris Cole
Redhead
Ted Eckelberry
Joe Ostrow
Frank Ferguson
Mike Edwards
James Flavin
Coach Buck Holman
Fritz Ford
Football Player
Jack Gargan
Bailiff
Richard Garrick
Judge
Ned Glass
Pool Player
Fred Graham
Bill Sackheim
Merv Griffin
Football Broadcaster (voice)
Tom Hernández
Butler
Robert Keys
Santa Clara Team Manager Joe
Paul Kruger
Bailiff
Ray Kyle
Student
Mike Lally
Priest
Frank Marlowe
Drunk in Bar with Dog
Sydney Mason
Priest
Frank McLure
Priest
Larry Merrill
Jeffrey Marlowe
Jack Mower
Domestic Court Staffer
Barry Norton
Party Guest
William H. O'Brien
Bartender Joe
Jack Pepper
Irish Tenor / Pianist in Saloon
Howard Petrie
Marvin Adams
Angi O. Poulos
Saloon Waiter
Vici Raaf
Beanie
Bill Radovich
Moose McCall
Olan Soule
Cardinal's Secretary
Anitra Stevens
Bobo
Arthur Tovey
Football Spectator
Renata Vanni
Maria's Italian Mother
Ralph Volkie
Referee
Charles Watts
Mr. Wallace
Guy Way
Football Player
Jeri Weil
Young Carol
Gayne Whitman
Lawyer Grummet
James Dean
Football Spectator (uncredited)