Final answer:
The correct answer is option a. Costume and Makeup. The Wardrobe department repairs the costume and the Makeup department applies the scar.
Step-by-step explanation:
In the scenarios described, the departments responsible would be the Wardrobe and Makeup departments. The Wardrobe department takes care of the actress's costume, including quick fixes like mending a tear. This is because the costume shop, which they oversee, handles everything from selecting fabrics to final fittings and alterations. Meanwhile, the Makeup department is responsible for applying the required scar on the actress's cheek to enhance the character's physical appearance for the scene.