Alexander Graham Bell
Don Ameche
Mrs. Mabel Hubbard Bell
Loretta Young
Mr. Barrows
Russell Hicks
Chauncey Smith
Paul Stanton
President of Western Union
Jonathan Hale
Judge Rider
Harry Davenport
Queen Victoria
Beryl Mercer
Mrs. MacGregor
Elizabeth Patterson
George Pollard
Charles Trowbridge
Mrs. Winthrop
Jan Duggan
Landlady
Claire Du Brey
Joe Eliot
Harry Tyler
Thomas Watson
Henry Fonda
D'Arcy - Singer
Ralph Remley
Mrs. Sanders
Zeffie Tilbury
Banker's Son (uncredited)
Jack Kelly
Telephone Operator
Esther Brodelet
Mr. Calhoun
Tyler Brooke
Miss Jenkins
Nora Cecil
Court Attendant at Door
Davison Clark
Man Laughing at Demo
Dick Elliott
Banker at Demo
Edmund Elton
Mac Gregor's Maid
Fern Emmett
Gardner Hubbard
Charles Coburn
Piano Player
Mary Field
Mr. Winthrop
George Guhl
Pawnbroker
Otto Hoffman
Tom
Warren Jackson
Edward
Frank Jaquet
New England Telephone Company Executive
Sheldon Jett
Edward Keane
General
Crauford Kent
Banker at Demonstration
Edward LeSaint
Infant
Jarold Clifford Lyons
Thomas Sanders
Gene Lockhart
Telegrapher
Dave Morris
Nora
Ottola Nesmith
Nurse
Ruth Robinson
Sir John Cowell
John Graham Spacey
Manager of New England Telephone Exchange
Landers Stevens
Court Clerk
Charles Tannen
William Wagner
Storekeeper
Eddy Waller
James J. Starrow
Jack Walsh
Sanders' Nurse
Lillian West
Mrs. Hubbard
Spring Byington
John Elliott
Gertrude Hubbard
Sally Blane
Grace Hubbard
Polly Ann Young
Berta Hubbard
Georgiana Young
George Sanders
Bobs Watson
Producer
Darryl F. Zanuck
Screenplay
Lamar Trotti
Director
Irving Cummings
Story
Ray Harris
Editor
Walter Thompson
Set Decoration
Thomas Little
Art Direction
Mark-Lee Kirk
Richard Day
Costume Design
Royer
Director of Photography
Leon Shamroy
Assistant Director
Ad Schaumer
Music Director
Louis Silvers
Associate Producer
Kenneth Macgowan