Glass, his normally impassive face creased by the faintest of smiles, was shutting the doors again.
Thomas, Rosie THE WHITE DOVE
Anyway,' I said, glancing at his impassive face, `the `` truth' we've just been through is not erasable.
Robert Wilson A DARKENING STAIN (2002)
As he approached the Chancellor it was noticed that his lips were trembling slightly in his otherwise impassive face.
Christopher Hibbert DISRAELI: A Personal History (2004)
She continued examining the documents with an impassive face.
Carlos Acosta No Way Home: A Cuban Dancer's Tale (2007)