Some pedestrians looked startled or amused by the ghost-white actors with bruised-looking eyes. Some people ignored them entirely. Others whipped out their cell phone cameras.
Horror movie fan Linda Emery was thrilled to see the creatures.
"I'm into zombies, anything with zombies," said the 58-year-old home care provider from Brooklyn. It made a change from her usual commute.
"You see a lot of stuff, but not this stuff," she said.
Erik Machado, an audio engineer heading to work in New Jersey, was unfazed and passed by the scene with nary a glance at the nightmares walking around.
"Gotta commute, gotta go where I gotta go," the Queens resident said.
The stunt was part of a campaign in 26 cities worldwide promoting the Halloween premiere of the AMC television series "The Walking Dead." The show is being broadcast outside of the United States on Fox International Channels.
At one point, about 15 zombies crawled on the roof, hood and trunk of a parked, off-duty taxi.
Taxi driver David Pollack managed to escape from the horde, scrambling out of the back seat, playing along with the drama of it all.
"I think I'm going to be walking over the George Washington Bridge and heading over to Jersey, hopefully they haven't gotten there yet," he said.
He added, "I'm a tough New Yorker, but I don't mess with zombies."