Harry Shannon
Charlie
Ruby Dee
Rae Robinson
Bill Baldwin
Baseball Broadcaster (uncredited)
Minor Watson
Branch Rickey
Dick Wessel
Tough Lodge Member in Stands (uncredited)
Joe Devlin
Tough Lodge Member in Stands (uncredited)
Joel Fluellen
Mack Robinson
Louise Beavers
Jackie's Mother
Ben Welden
Tough Lodge Member in Stands (uncredited)
Jimmie Dodd
UCLA Scout (uncredited)
Laurence Criner
Minister - Reverend Carter (uncredited)
Richard Lane
Hopper
Billy Wayne
Clyde Sukeforth
Ralph Montgomery
Reporter (uncredited)
Dewey Robinson
Brooklyn Fan in Stands (uncredited)
Joe Gray
Dalby (uncredited)
Mildred Boyd
Roommate of Rae (uncredited)
Pat Flaherty
Karpen
Kenny Washington
Tigers Manager
Donald Kerr
Reporter (uncredited)
Roy Glenn
Mr. Gaines - Attorney (uncredited)
Ben Lessy
Shorty
Bernie Hamilton
Ernie
Joe Kirk
Tony (uncredited)
Jackie Robinson
Self
Phyllis Kennedy
Baseball Fan in Stands (uncredited)
Franklyn Farnum
Baseball Fan in Stands (uncredited)
Charles Morton
Baseball Fan in Stands (uncredited)
George Metkovich
Baseball Player (uncredited)
Howard Louis McNeely
Jackie, as a boy
Sam Balter
Baseball Announcer in Booth (uncredited)
Marvelle Andre
Pete's Wife (uncredited)
Tom Coleman
Sports Board Clerk (uncredited)
William 'Bill' Spaulding
Bill Spaulding
Dick Williams
Jersey City Pitcher/Second Baseman (uncredited)