In which TV series is Earn Marks a main character?

Who played Jack Pearson in 'This Is Us'? In which TV series is Jack Pearson a main character? Who played Randall Pearson in 'This Is Us'? Who played Earn Marks in 'Atlanta'? Who played Issa Dee in 'Insecure'? Who played Eleanor Shellstrop in 'The Good Place'? In which TV series is Eleanor Shellstrop a main character? Who played Michael in 'The Good Place'?