The third season of the American television drama series Mistresses premiered on June 18, 2015, on ABC. The series is based on the UK series of the same name and was adapted by K. J. Steinberg, it stars Yunjin Kim, Rochelle Aytes, Jes Macallan and Jennifer Esposito as the four lead characters.
- Yunjin Kim as Dr. Karen Kim
- Rochelle Aytes as April Malloy
- Jes Macallan as Josslyn “Joss” Carver
- Brett Tucker as Harry Davis
- Rob Mayes as Marc Nickleby
- Jennifer Esposito as Calista Raines