The 'Bridgerton' season 4 cast and who they play

This season will star Luke Thompson and Yerin Ha as Benedict Bridgerton and Sophie Baek.

Liam Daniel/Netflix; StillMoving.Net for Netflix

• The fourth season of "Bridgerton" is now officially on Netflix.
• Season four adapts Benedict and Sophie's story from the book "An Offer from a Gentleman."
• Here's where you might recognize the main cast members from outside the world of the Ton.

Dearest gentle readers: "Bridgerton" is back. And with a new season of Netflix's...