Chaske Spencer, a member of the Oglala Sioux Tribe, is putting his Twilight fame to good use.

Spencer, 35, volunteered for a United Blood Services promotion in Billings, Montana. His stardom helped the blood bank draw in over 250 donations during the normally slow summer months.

I think you’re obligated to help people out when you’re in a position like this. It’s important for me to do what I can with what I’ve been given," Spencer, who grew up in Montana on the Fort Peck Reservation, told The Billings Gazette.

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"Twilight" actor helps bring in blood donors (The Billings Gazette 7/7)