Liam Neeson, is that you?

The 63-year-old actor worried fans when he stepped out looking particularly thin and frail while out and about NYC on Saturday, July 25.

liam neeson

Liam in NYC on Saturday, July 25.

For his stroll around the Big Apple's SoHo neighborhood, the father-of-two donned a pair of khaki pants, a grey jacket over a lavender shirt, a blue hat and a pair of black sunglasses.

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Though fans were concerned about the star's slimmer appearance, Liam's rep told Mail Online the actor "has never been healthier."

liam neeson

Liam on July 25 (left) and in February 2014 (right).

Liam's last work projects included cameos in 2015 films Entourage and Ted 2. He will star in two upcoming flicks, Silence and A Monster Calls, which are both set to hit theaters in 2016.