 Lew AyresDr. Myron Brown | Dr. Myron Brown |
 Mae ClarkeRuth Robbins | Ruth Robbins |
 Una MerkelBetty Merrick | Betty Merrick |
 Andy DevineClarence Howe | Clarence Howe |
 John HallidayAlbert Hartman | Albert Hartman |
 Oscar ApfelDr. Wilcox | Dr. Wilcox |
 Ethel GriffiesNurse Lovett | Nurse Lovett |
 Helen Jerome EddyMrs. Gilman | Mrs. Gilman |
 Bert RoachMr. Gilman | Mr. Gilman |
 Cecil CunninghamMrs. Rosy | Mrs. Rosy |
 Lorin RakerMr. Rosy | Mr. Rosy |
 Blanche PaysonMrs. Thomas | Mrs. Thomas |
 Arthur HoytMr. Thomas | Mr. Thomas |
 Monte MontagueAmbulance Driver | Ambulance Driver |
 Hattie McDanielInjured Patient (uncredited) | Injured Patient (uncredited) |
 Ted BillingsNapoleon (uncredited) | Napoleon (uncredited) |
 Walter BrennanCigar Stand Proprietor (uncredited) | Cigar Stand Proprietor (uncredited) |
 Elspeth DudgeonNeighbor (uncredited) | Neighbor (uncredited) |
 Francis FordInsane Asylum Warden (uncredited) | Insane Asylum Warden (uncredited) |
 Mary GordonIrish Neighbor (uncredited) | Irish Neighbor (uncredited) |
 Olaf HyttenDoctor at Lecture (uncredited) | Doctor at Lecture (uncredited) |
 Jane KeckleyPersonnel Manager (uncredited) | Personnel Manager (uncredited) |
 Edwin MaxwellProf. Von Mueller (uncredited) | Prof. Von Mueller (uncredited) |
| RRose PlumerNeighbor (uncredited) | Neighbor (uncredited) |
| AArthur ThalassoNeighbor (uncredited) | Neighbor (uncredited) |
 Ellinor VanderveerVisitor (uncredited) | Visitor (uncredited) |
 Dick WinslowIrish Neighbor's Son (uncredited) | Irish Neighbor's Son (uncredited) |
