The O'Leary brothers -- honest Jack and roguish Dion -- become powerful figures, and eventually rivals, in Chicago on the eve of its Great Fire.
Tyrone Power
as Dion O'Leary
Alice Faye
as Belle Fawcett
Don Ameche
as Jack O'Leary
Alice Brady
as Molly O'Leary
Andy Devine
as Pickle Bixby
Brian Donlevy
as Gil Warren
Phyllis Brooks
as Ann Colby
Tom Brown
as Bob O'Leary
Sidney Blackmer
as General Phil Sheridan
Berton Churchill
as Senator Colby
June Storey
as Gretchen
Paul Hurst
as Mitch