Kirk put an index finger over his lips to signal silence.

She held out a hand, not only to halt Nadine, but to signal silence.

He signaled silence, grinned briefly, then pushed the door open.

Suddenly, Rourke held his fingers to his lips, signaling silence.

After a few moments he raised his right hand, signaling silence.

Greyfax chuckled softly, and raised a hand to signal silence.

He looked down at his son, mouthed the words It's okay, then held his finger to his lips to signal silence.

Quinn held up a finger to signal silence.

When the light came on she touched her finger to her lips signaling silence, then waved him inside.

The joker raised a hand to signal silence and put a finger to his earpiece.