- Claudette Colbert
- Elizabeth Hamilton
- Orson Welles
- John Andrew MacDonald / Erik Kessler
- 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
- Lois Austin
- Woman
- Carmen Beretta
- Ship's Passenger
- Barbara Bletcher
- Girlfriend
- Bobbie Brooks
- Girl Friend
- Charles D. Brown
- Immigration Officer
- Marguerite Campbell
- Girlfriend
- Leonard Carey
- Hamilton Employee
- Frank Chalfant
- Fraternity Boy
- Lane Chandler
- Hamilton Lab Technician
- Jack Cheatham
- Policeman
- Lala Detolly
- Ship's Passenger
- Mike Donovan
- Conductor
- William Dyer Jr.
- Fraternity Boy
- Carli Elinor
- Ship's Passenger
- Charles H. Faber
- Ship's Passenger
- Helen Gerald
- Girlfriend
- Jesse Graves
- Ambrose
- Jessica Grayson
- Servant
- Betty Greco
- Girlfriend
- Michael Hall
- Fraternity Boy
- Henry Hastings
- Daniel
- Anne Howard
- Girl Friend
- Boyd Irwin
- Dr. Callan
- Milton Kibbee
- Baltimore Postman
- Jack Lindquist
- Fraternity Boy
- Anne Loos
- Freckled-Faced Nurse
- Thomas Louden
- Englishman on Ship
- Louis Lowy
- Ship's Passenger
- Tina Menard
- Ship's Passenger
- Rudolf Myzet
- Ship's Passenger
- Buster Phelps
- Fraternity Boy
- Irving Pichel
- Radio Commentator
- Gary Pietila
- Baby Drew on Elizabeth's Lap
- Waclaw Rekwart
- Ship's Passenger
- Nena Ruth
- Girlfriend
- Loulette Sablon
- Ship's Passenger
- Catherine Savitsky
- Ship's Passenger
- Jeffrey Sayre
- Hamilton Employee
- Michael Sloane
- Fraternity Boy
- Count Stefenelli
- Ship's Passenger
- Amzie Strickland
- Ship Passenger
- Hilda Tanzler
- Ship's Passenger
- Eugene Taylor
- Fraternity Boy
- Libby Taylor
- Hamilton's Maid
- Evan Thomas
- Ship's Doctor
- Bob Tidwell
- Fraternity Boy
- Michael Ward
- The Drew Infant
- Lane Watson
- Hamilton's Secretary
- Tom Wirick
- Pudge Davis
- Douglas Wood
- Charles Hamilton
- Sam Wren
- Secretary
- Frank Wyrick
- Fraternity Boy
