|First appearance:||Ultraman Max Arrives!|
|Last appearance:||To the Ultra Future|
|Number of appearances||40|
|Portrayed by||Sean Nichols|
Sean White is a member of DASH, notable for being the first foreign member on an Ultraman defense team. He is the engineer of the group, doing maintenance on DASH machinery and inventing devices on occasion. He also will help Professor Yukari Yoshinaga to study monsters or extradimensional artifacts occasionally.