So, here's the list of all the characters.
The ones which are not here, have already been mentioned in His Undesirable Wife.

These are the characters through the years-

Lord Richard Seaborne

Minerva Drake

Brandon Hayworth

Maya Hayworth

Prince Edward

Emma Mortimer

Lord Geoffrey Berkeley

Hugh Courtney

Carlisle Courtney

Edgar Courtney

Averey Hayworth

Robert Hayworth

Edmund Hayworth

Philip Hayworth

Lord Silas Cavendish

This is it.
I hope you liked the cast😊

Till the next time 👋