And the lines they'll have to memorise will be the fastest ones around the twists and turns of Zwartkops Raceway.
Thuli Phogolo got her TV career off the start line as a presenter on e.tv's Craz-e, before shifting gears to acting, where she is best known for her portrayal of Namhla Diale in Generations the Legacy.
Red-head Sarah Kozlowski, by contrast, got her big break at her very first audition after she opted out of the corporate rat race, landing the role of mentally unstable sex tape extortionist Pam Norton in Isidingo.
It'll be "Lights, camera - action!" at 7.30pm on Saturday for these two leading ladies, and if you can predict the winner you can win an advanced driving course with Opel and Michelin.
To enter, SMS the word MOTOR [space] your prediction (either THULI or SARAH) followed by your name, email address and province you live in to 45607. SMS cost R1.50.
The advanced driving course prize will be held at the Gerotek test facility in Gauteng toward the end of November (dates have not yet been finalised), but the contest is open to anyone in the country. Flight costs will be covered for out of town winners, but you'll need to make your way to either King Shaka airport in Durban or Cape Town International on your own steam.
Original source: Win an advanced driving course with Speed Stars