Gregory Sierra: Gregory Sierra. Actor: The Towering Inferno. Lanky, balding, intense American character actor of Puerto Rican ancestry, born in New York's Spanish Harlem. Deserted by his parents, Sierra was brought up by an aunt in a rough, predominantly Irish neighbourhood from the age of six. Though briefly tempted by gang life as a teenager, he took up acting classes after accompanying a friend to an audition and ended up playing Shakespearean...
