Doubt flickered in Wallace's eyes, brighter than the pain and weariness.

Doubt flickered over her features before succumbing to grim determination.

Doubt flickered on the sheriff's face, until he caught looks from Welf and Tilyon.

Doubt flickered across Harris' face for the first time.

Doubt flickered in the king's eyes.

Doubt flickered across the boy's face.

Doubt flickered on his fine Vulcan features, but only a flicker, and soon controlled.

Doubt flickered in the gray eyes.

Doubt flickered furtively across her face when Grapk and D'Kang's allegiance was revealed.

Doubt flickered over his face.