Vários atores, incluindo Chris Rock e Steve Buscemi, foram considerados para George Costanza antes de Jason Alexander conseguir o papel. Several actors, including Chris Rock and Steve Buscemi, were considered for George Costanza before Jason Alexander got the role.

Jason Alexander revelou em uma entrevista de 2023 que vários atores, incluindo Chris Rock, Danny DeVito, Rosie O'Donnell e Steve Buscemi, foram considerados para o papel de George Costanza em "Seinfeld" antes de ser escalado. Jason Alexander revealed in a 2023 interview that several actors, including Chris Rock, Danny DeVito, Rosie O'Donnell, and Steve Buscemi, were considered for the role of George Costanza on "Seinfeld" before he was cast. Ele também compartilhou que o co-criador Larry David inicialmente queria interpretar o personagem, mesmo retratando-o brevemente em Curb Your Enthusiasm. He also shared that co-creator Larry David had initially wanted to play the character himself, even portraying him briefly on "Curb Your Enthusiasm." O show, que foi ao ar de 1989 a 1998, ganhou 10 prêmios Emmy e continua a ser uma pedra de toque cultural. The show, which aired from 1989 to 1998, won 10 Emmy Awards and remains a cultural touchstone.