Who plays the t3 on every witch way?
No context provided
Who plays the older brother of the Terrible 3 on Every Witch Way?
Louis Tomeo
No context provided
Who plays the younger brother of the Terrible 3 on Every Witch Way?
Jason Ian Drucker
No context provided
Who plays the sister of the Terrible 3 on Every Witch Way?
Jackie Frazey
Every Witch Way
https://en.wikipedia.org/wiki/Every%20Witch%20Way
Robert Miller (Louis Tomeo): Daniel's brother who is the oldest and leader of the Terrible 3 (T3) and their best inventor.
Every Witch Way
Melanie Miller (Jackie Frazey): Daniel's sister who is the middle child and only girl of the Terrible 3 as well as the smartest. 
Every Witch Way
Tommy Miller (Jason Ian Drucker): Daniel's brother who is the youngest of the Terrible 3 and most hyperactive
Every Witch Way
On Every Witch Way, Louis Tomeo plays Robert Miller who is the oldest and leader of the Terrible 3 as well as being their best inventor. Jackie Frazey plays Melanie Miller who is the middle child and only girl. She is also the smartest of the Terrible 3. Jason Ian Drucker plays Tommy Miller who is the youngest of the Terrible 3 and the most hyperactive.