"A man who has a talking mule gets a job on a newspaper, and both get mixed up in a murder trial."
Donald O'Connor
as Peter Stirling
Yvette Duguay
as Maria Scola
Gene Lockhart
as Tom Henderson
Nancy Guild
as Alberta Ames
William Harrigan
as Inspector Hansen
Silvio Minciotti
as Salvatore Scola
Lowell Gilmore
as Jefferson "JG" Garnet
Larry Gates
as Dan Austin
Hanley Stafford
as Dr. Goodrich
Gale Gordon
as Evans
Forrest Lewis
as Judge Stanley
Chill Wills
as Francis (as Franis the Talking Mule)
Charles Flynn
as Jones
Arthur Lubin
Director
Russell A. Gausman
Set Decoration
Richard H. Riedel
Art Direction
Bernard Herzbrun
Leonard Goldstein
Producer
Ruby R. Levitt
Carl E. Guthrie
Cinematography
Bud Westmore
Makeup Artist
Rosemary Odell
Costume Design
Joseph Gershenson
Music Director
Robert Pritchard
Sound
Oscar Brodney
Writer
David Stern
Characters
Leslie I. Carey
Joan St. Oegger
Hairstylist
David S. Horsley
Special Effects
Milton Carruth
Editor