|Joseph Schildkraut||Mr. M|
|Billie Burke||Mrs. Pidgeon|
|Eugene Pallette||Mr. Pidgeon|
|Robert Livingston||Stephen Bates|
|Byron Foulger||Process Server|
When aristocrat James C. Pidgeon runs into money trouble, he thinks his dying uncle's fortune will save him, only to find out that it has been left to an unnamed actress. While lawyers search for the actress, James' daughter convinces him to invite a destitute man, Mr. M., to Christmas dinner to appear generous. The man turns out to be a former actor who is also able to locate the mysterious actress heir, Florie Watson .