Strange things are happening on the “Evil Genius” set.

David Harbour was photographed looking unrecognizable while filming his forthcoming thriller in New Jersey on Monday.

The actor, 50, sported a fat suit while on the Woodbridge set, which he covered up with a blue button-down, overalls and a tan jacket.

Additionally, Harbour rocked gray hair, a beard and glasses.

In the Courteney Cox-directed movie, based off true events in 2003, Harbour plays Brian Wells, the so-called “Pizza Bomber” who robbed a bank with an explosive around his neck.

The project, co-produced by Jason Bateman, also stars Patricia Arquette.

Harbour, notably, has drastically altered his appearance for roles before.

The Emmy nominee lost 80 pounds to play Jim Hopper Jr. on Season 4 of “Strangers Things” in 2022,

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