"The incredible life... the spectacular thrills... the fabulous times of America's best-loved hero......."
The baseball player goes from wayward youth to Boston Red Sox pitcher to New York Yankees home-run hero.
George Herman 'Babe' Ruth

Claire Hodgson Ruth

Brother Matthias

Phil Conrad

Jack Dunn

Nightclub Singer

Miller Huggins
Western Union Boy

Babe Ruth as a Boy (as Bobby Ellis)

Gambler Dalton

Colonel Jacob Ruppert

Dr. Menzies

Boston Braves' Rookie

Bill Carrigan, Red Sox Manager

Mark Koenig
Boston Braves' coach

Umpire Ziggy Sears
Bucky Harris - Baseball Player
Harry Wismer - Sports Announcer
Mel Allen - New York Yankees Radio Announcer

H. V. Kaltenborn - Radio News Commentator
Narrator

Barfly (uncredited)

Reporter (uncredited)