Vivien Leigh and Clark Gable.
Over the course of the production, Vivien Leigh spent a total of 125 days and received about $25,000 Dollars - that would be an estimated amount of $472,000 Dollars today.
Clark Gable worked for 71 days and received over $120,000 Dollars, which translates to roughly $1,8 million Dollars in today's time.