Raoul Leduc is a police inspector trailing a spy who plots to kidnap an important American atomic scientist. Joe Victor a gangster who is hired to carry out the abduction, balks when he learns what is at stake and helps Leduc out instead.

During World War II, all the studios put out "all-star" vehicles which featured virtually every star on the lot--often playing themselves--in musical numbers and comedy skits, and were meant as morale-boosters to both the troops overseas and the civilians at home. This was Universal Pictures' effort. It features everyone from Donald O'Connor to the Andrews Sisters to Orson Welles to W.C. Fields to George Raft to Marlene Dietrich, and dozens of other Universal players.

"The Man from Cairo", a Michaeldavid production for distribution by Lippert, with Ray Enright the only credited director on the film print, finds Mike Canelli, the man from Cairo, nosing around Algiers with mystery surrounding the people he meets and the things he does and has done to him, all deriving from the war-time theft of $100,000,000 in gold which lies somewhere in the adjacent desert. People representing many nationalities and reasons are also seeking the gold. It boils down to a battle between Canelli and the original looter aboard a speeding train.

When nuclear scientists are kidnapped and smuggled behind the Iron Curtain, an FBI man and a British agent are assigned to catch the kidnappers.

While travelling through Hong Kong, Bob Mitchell accidentally stumbles into the middle of criminal negotiations between a mean gang, the Five Golden Dragons and the local mobsters.