Myrna Loy
Belle Mercer
Acting
Max Baer
Steve Morgan
Acting
Primo Carnera
Carnera
Acting
Jack Dempsey
Promoter
Acting
Walter Huston
Edwin J. Bennett ("The Professor")
Acting
Otto Kruger
Willie Ryan
Acting
Vince Barnett
Bugsie
Acting
Robert McWade
Adopted Son
Acting
Muriel Evans
Linda
Acting
Jean Howard
Show Girl
Acting
Cora Sue Collins
Farmer's Daughter (uncredited)
Acting
Dennis O'Keefe
Nightclub Patron (uncredited)
Acting
Jack Pennick
Bar Patron #6 (uncredited)
Acting
Matt McHugh
Professor's Drinking Buddy (uncredited)
Acting