Nikki Roumel

Holly's a 13-year-old singer-songwriter who's got her best friends and close-knit family by her side, but she's dreaming of ways to save the world - even if it's starting in her own backyard.

Tom Kirkman, a low-level cabinet member is suddenly appointed President of the United States after a catastrophic attack during the State of the Union kills everyone above him in the Presidential line of succession.