From Wikipedia, the free encyclopedia Brendan Ryan Barrett (born August 5, 1986) is an American actor and acting coach. Barrett was born in Roseville, California. He grew up in Folsom, California, with his veterinarian parents and his sister, Caitlin Barrett. He is perhaps best known as the voice of Casper the Friendly Ghost in Casper's Haunted Christmas and as Chris Carson in the 1997 film Casp... show more