Alexander Graham Bell falls in love with deaf girl Mabel Hubbard while teaching the deaf and trying to invent means for telegraphing the human voice. She urges him to put off thoughts of marriage until his experiments are complete. He invents the telephone, marries and becomes rich and famous, though his happiness is threatened when a rival company sets out to ruin him.
Don Ameche
Loretta Young
Henry Fonda
Charles Coburn
Gene Lockhart
Spring Byington
Sally Blane
Polly Ann Young
Georgiana Young
Bobs Watson
Russell Hicks
Paul Stanton
Jonathan Hale
Harry Davenport
Beryl Mercer
Elizabeth Patterson
Charles Trowbridge
Jan Duggan
Claire Du Brey
Harry Tyler
Ralph Remley
Zeffie Tilbury
Jack Kelly
Esther Brodelet
Tyler Brooke
Nora Cecil
Davison Clark
Dick Elliott
Edmund Elton
Fern Emmett
Mary Field
George Guhl
Otto Hoffman
Warren Jackson
Frank Jaquet
Sheldon Jett
Edward Keane
Crauford Kent
Edward LeSaint
Jarold Clifford Lyons
Dave Morris
Ottola Nesmith
Ruth Robinson
John Graham Spacey
Landers Stevens
Charles Tannen
William Wagner
Eddy Waller
Jack Walsh
Lillian West
John Elliott