Gatt is perhaps best known as the motion capture performer and likeness for "Kratos" from the acclaimed God of War video game franchise. He appeared as the Frost Giant, Grundroth in Thor, and Starfleet Science Officer 0718 in Star Trek Into Darkness.
Gatt has a condition called alopecia universalis which made all of his hair fall out at the age of 14.
|Season four credits|
|Two Swords||The Lion and the Rose||Breaker of Chains||Oathkeeper||First of His Name|
|The Laws of Gods and Men||Mockingbird||The Mountain and the Viper||The Watchers on the Wall||The Children|