A concert violinist becomes charmed with his daughter's talented piano teacher. When he invites her to go on tour with him, they make beautiful music away from the concert hall as well. He soon leaves his wife so the two can go off together.
| Actor | Role |
|---|---|
 Leslie HowardHolger Brandt | Holger Brandt |
 Ingrid BergmanAnita Hoffman | Anita Hoffman |
 Edna BestMargit Brandt | Margit Brandt |
 Ann E. ToddAnn Marie Brandt | Ann Marie Brandt |
 Douglas ScottEric Brandt | Eric Brandt |
 John HallidayThomas Stenborg | Thomas Stenborg |
 Enid BennettGreta Stenborg | Greta Stenborg |
 Cecil KellawayCharles Moler | Charles Moler |
| EEleanor WesselhoeftEmma | Emma |
| MMaria FlynnMarianne | Marianne |
| DDawn DoddLittle Girl (Uncredited) | Little Girl (Uncredited) |
| DDee DoddLittle Boy (Uncredited) | Little Boy (Uncredited) |
 Holmes HerbertDoctor (Uncredited) | Doctor (Uncredited) |
 Doris LloydSchoolteacher at Accident Scene (Uncredited) | Schoolteacher at Accident Scene (Uncredited) |
| EEdmund MortimerMan in Stage Wing with Charles (Uncredited) | Man in Stage Wing with Charles (Uncredited) |