Someone smart and rational. No-nonsense but kind. Preferably in a happy relationship. No dark past, addiction issues, daddy issues, or personal drama just for drama's sake.
As a queer person, I'd love to finally see an lgbt+ main character, this is Manhattan in 2019. And I hope it's someone Black or Asian.
But in the end they should cast the most talented actor period, someone with a nuanced and subtle acting style.