John Boles: John Boles. Actor: Frankenstein. John Boles was an American actor who worked prolifically in both leading and supporting roles for 28 years. He was born in Greenville, Texas and graduated from the University of Texas, where he had studied medicine, in 1917. Boles' parents wanted their son to continue with a career in the medical field, but after being selected to perform in an opera, he discovered his real love...