The truthful soldier Stirling didn't know how to lie about his source of information, the talking army Mule, Francis, so he was treated as a lunatic and led to one after another hilarious situations, where the mule was the only one that appeared in his right mind. In the process of all this, the mule assisted in uncovering a spy, Mareen, who pretended to be lost among the jungles, but was actually...
Donald O'Connor
Patricia Medina
Zasu Pitts
Ray Collins
John McIntire
Eduard Franz
Howland Chamberlain
James Todd
Robert Warwick
Frank Faylen
Tony Curtis
Mikel Conrad
Loren Tindall
Charles Meredith
Chill Wills