The sergeant glanced over the paper and scratched his head.

The sergeant held out the tightly-wound cylinder of film and scratched his neck.

The sergeant scratched his chin impassively.

The sergeant scratched an ear.

The sergeant Scratched his chin, frowned in annoyance when he realized his finger was still smeared with pipe clay.

The sergeant pushed back his cap and scratched his head, the way some of them do.

The sergeant scratched his head, then looked up at Cholly again.

The sergeant looked in at the passengers, then examined the documents under the torch light and scratched his head.

The sergeant scratched his head.

There was a long silence while the sergeant major scratched at his scalp.