What actors and actresses appeared in Undercover Agent - 1939?

The film you are referring to is actually called "Undercover Agent" (1939). It stars:

* George Raft as "Michael 'Mike' Martin"

* Marguerite Chapman as "Patricia 'Patsy' Warren"

* Herbert Marshall as "John Warren"

* John Barrymore as "Victor 'Vic' Gregory"

There are also supporting roles played by actors such as:

* Lee Tracy

* William Gargan

* Edward Brophy

* Joseph Calleia

* Helen Broderick

This film was a crime drama about a former criminal who is recruited by the government to go undercover and take down a powerful criminal organization. It was a popular film at the time and helped to solidify George Raft's status as a leading man in Hollywood.