Claudette Colbert

Elizabeth Hamilton

Orson Welles

John Andrew MacDonald

George Brent

Lawrence Hamilton

Lucile Watson

Aunt Jessica Hamilton

Richard Long

Drew Hamilton

Natalie Wood

Margaret Ludwig

John Wengraf

Dr. Ludwig

Sonny Howe

Brian Hamilton

Ian Wolfe

Norton

Joyce Mackenzie

Cherry Davis

Jesse Graves

Ambrose

Boyd Irwin

Dr. Callan

Jack Cheatham

Policeman

Charles D. Brown

Immigration Officer

Milton Kibbee

Baltimore Postman

Irving Pichel

Radio Commentator (Voice)

Douglas Wood

Charles Hamilton

Leonard Carey

Hamilton Employee

Jeffrey Sayre

Hamilton Employee

Lane Chandler

Hamilton Lab Technician

Libby Taylor

Hamilton's Maid

Helen Gerald

Girlfriend

Carli Elinor

Ship's Passenger

Amzie Strickland

Ship's Passenger

Jack Lindquist

Fraternity Boy

Buster Phelps

Fraternity Boy