Margaret O'Hara / Knowles

Shirley Temple

Acting

Shawn O'Hara

Barry Fitzgerald

Acting

Ted Knowles

Lon McCallister

Acting

Mrs. Charles S. Howard

Rosemary DeCamp

Acting

George Carson

Donald MacBride

Acting

Charles S. Howard

Pierre Watkin

Acting

Thomas Milford

William Forrest

Acting

Race Commentator

Hal J. Moore

Acting

Race Commentator

Clem McCarthy

Acting

Walkin' Murphy, Milford's Boy

Sugarfoot Anderson

Acting

Himself (archive footage)

Seabiscuit

Acting

Seabiscuit (close-ups)

Sea Sovereign

Acting

Himself (archive footage)

War Admiral

Acting

Wong the O'Hara's Cook

Joe Wong

Acting

Miss Finch

Ezelle Poule

Acting

Race Commentator

Joe Hernandez

Acting

Libby

Madame Sul-Te-Wan

Acting

Alice Talbot - Nurse (uncredited)

Dee Carroll

Acting