Ben Affleck Ben Affleck

The idea of anyone living on $1.50 a day is shocking. The idea of Oscar winner Ben Affleck doing it is near incomprehensible. But that's exactly what the actor has promised to do next week as part of the poverty-awareness campaign Live Below the Line, the non-profit announced.

For at least one day, Affleck will keep all his food and drink costs below $1.50 to raise money for The Global Poverty Project. Joining the Argo star in the campaign are Sophia Bush, Josh Groban, Debi Mazar and Hunter Biden.

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