Dominic Costello is a minor character in Season 4 of Pretty Little Liars . He is a famous swim coach who politely refuses to coach Emily due to her torn rotator cuff. 


Dominic is described as a respected swim coach who is famous for having sent athletes to the Olympics. He's a tough coach who will stop at nothing to train his students to perfection.


Into the Deep 

Emily came for a meeting with him to see if she could get a swimming scholarship after hurting her arm. He postponed any training as her arm was too injured and informed Emily that by the injury and the healing time it would take, she wouldn't have the scholarship offered to her.

Appearances (1/140)

Season 4 (1/24)


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