Complex sentence: McLain voiced the antagonistic Overwatch voice, while her husband voiced a citizen who assists the protagonist in "Half-Life 2", and in "Team Fortress 2" he plays the Sniper.
Split into simpler sentences: McLain voiced the antagonistic Overwatch voice, while her husband voiced a citizen who assists the protagonist in "Half-Life 2". In "Team Fortress 2" he plays the Sniper.