The actor has made the bizarre admission that his co-star Abigail Breslin, 19, who plays his on-screen daughter that is infected with a zombie virus in upcoming film Maggie, was so

convincing who he actually thought she was dying on set. "I never thought she was acting," the Terminator star, 67, confesses. "I really thought she was dying because she is

so good at what she does." Acting is not real, Arnie!