Blanche DuBois A sensitive, delicate moth-like member of the fading Southern aristocracy who has just lost her teaching position as a result of her promiscuity.
Stella Kowalski Blanche's sister who is married and lives in the French Quarter of New Orleans. She has forgotten her genteel upbringing in order to enjoy a more common marriage.
Stanley Kowalski A rather common working man whose main drive in life is sexual and who faces everything with brutal realism.
Harold Mitchell (Mitch) Stanley's friend who went through the war with him. Mitch is unmarried and has a dying mother for whom he feels a great devotion.
Eunice and Steve Hubell The neighbors who quarrel and who own the apartment in which Stella and Stanley live.