Casting for a feature film

Need tamil/south Indian actors only
Matron: Female, 35-50 yrs
Staff member: Male, 40-50 yrs
Professor: Male, 50-55 yrs
All students: Male, 23-27 yrs
Parag: Male, 35-50 yrs
Dean Male/female: 40-55 yrs
Juniors: Male, 20-24 yrs