Four join the cast of NBC's post-apocalyptic Day One

David Lyons, Carly Pope, Adam Campbell and Thekla Reuten have joined the cast of NBC's post-apocalyptic drama pilot Day One, according to The Hollywood Reporter.

Day One revolves around a group of neighbors in an apartment complex after a catastrophic event.

Lyons will play the male lead, a Marine and an Iraq veteran who is a natural leader. Reuten (Sleeper Cell) will play an odd woman who keeps copious notes on other tenants. Pope will play a brilliant young woman who lives with her boyfriend (Campbell), an MIT graduate and computer genius.

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