In which film is Benoit Blanc a character?

Who played Lady Bird McPherson in 'Lady Bird'? Who played Jo March in 'Little Women'? In which film is Jo March a character? Who played Benoit Blanc in 'Knives Out'? Who voiced Princess Fiona in 'Shrek'? Who voiced Lord Farquaad in 'Shrek'? Who voiced Dory in 'Finding Nemo'? Who voiced Marlin in 'Finding Nemo'?