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