Tom Clancy's Splinter Cell is an action-adventure stealth game, developed by Ubisoft Montreal and built on the Unreal Engine 2. It is the firstSplinter Cell game in the series. Endorsed (but not created) by author Tom Clancy, it follows the activities of NSA Black Ops agent Sam Fisher. The character of Sam Fisher is voiced by actor Michael Ironside. His boss, Irving Lambert, is voiced by actor Don Jordan.