- Robert Morgan: A young, American engineer who is working on the Titanic's construction. He is engaged to marry a woman named Sarah, and he is excited about the prospect of starting a new life with her.
- Mary Astor: A wealthy, young American woman who is traveling on the Titanic with her aunt and cousin. She is looking forward to experiencing the luxuries of the ship and meeting new people.
- John Smith: A British shipbuilder who is overseeing the construction of the Titanic. He is a dedicated and experienced worker, and he is proud of the ship that he is helping to create.
- Captain Edward Smith: The captain of the Titanic. He is a highly respected and experienced sailor, and he is confident in his ability to safely navigate the ship across the Atlantic Ocean.
- Thomas Andrews: The chief designer of the Titanic. He is a brilliant and innovative engineer, and he is proud of the ship that he has created.
- Margaret Brown: A wealthy, American socialite who is traveling on the Titanic with her husband and daughter. She is a strong-willed and determined woman, and she is not afraid to speak her mind.
- Bruce Ismay: The chairman of the White Star Line, the company that owns the Titanic. He is a ruthless and ambitious businessman, and he is determined to make the Titanic a success.