In Old Chicago

In Old Chicago
Theatrical release poster
Directed by	Henry King
Written by	Story: Niven Busch
Screenplay by	Sonya Levien Lamar Trotti
Produced by	Darryl F. Zanuck Kenneth Macgowan
Starring	Tyrone Power Alice Faye Don Ameche Alice Brady
Cinematography	J. Peverell Marley
Edited by	Barbara McLean
Music by	Sidney Clare Lew Pollack
Production company	Darryl F. Zanuck Productions
Distributed by	20th Century Fox
Release date	January 6, 1938 (1938-01-06)
Running time	96 minutes (US theatrical cut) 111 minutes (Roadshow version)
Country	United States
Language	English
Budget	over $1 million[1]
Box office	$1.964 million (U.S. and Canada rentals)[2]

In Old Chicago is a 1938 American disaster musical drama film directed by Henry King. The screenplay by Sonya Levien and Lamar Trotti was based on the Niven Busch story, "We the O'Learys". The film is a fictionalized account about the Great Chicago Fire of 1871 and stars Alice Brady as Mrs. O'Leary, the owner of the cow which started the fire, and Tyrone Power and Don Ameche as her sons. It also stars Alice Faye and Andy Devine. At the time of its release, it was one of the most expensive movies ever made.