A variety of predicaments arise to distract Dr. Kildare from his wedding to Nurse Mary Lamont.
| Actor | Role |
|---|---|
 Lew AyresDr. James Kildare | Dr. James Kildare |
 Lionel BarrymoreDr. Leonard Gillespie | Dr. Leonard Gillespie |
 Laraine DayNurse Mary Lamont | Nurse Mary Lamont |
 Red SkeltonVernon Briggs | Vernon Briggs |
 Alma KrugerMolly Byrd | Molly Byrd |
 Samuel S. HindsDr. Stephen Kildare | Dr. Stephen Kildare |
 Nils AstherConstanzo Labardi | Constanzo Labardi |
 Walter KingsfordDr. Walter Carew | Dr. Walter Carew |
 Emma DunnMrs. Martha Kildare | Mrs. Martha Kildare |
 Miles ManderDr. Lockberg | Dr. Lockberg |
 Connie GilchristJennie the Maid | Jennie the Maid |