Nat Segaloff is a writer-producer-journalist. He covered the film industry for The Boston Herald, but has also variously been a studio publicist (Fox, UA, Columbia), college teacher (Boston University, Boston College), and broadcaster (Group W, CBS, Storer). He is the author of twenty books including Hurricane Billy: The Stormy Life and Films of William Friedkin, Arthur Penn: American Director and Final Cuts: The Last Films of 50 Great Directors in addition to career monographs on Stirling Silliphant, Walon Green, Paul Mazursky and John Milius. His writing has appeared in such varied periodicals as Film Comment, Written By, International Documentary, Animation Magazine, The Christian Science Monitor, Time Out (US), MacWorld and American Movie Classics Magazine. He was also senior reviewer for AudiobookCafe.com and contributing writer to Moving Pictures magazine.

In 1996 he formed the multi-media production company Alien Voices with actors Leonard Nimoy and actor John de Lancie and produced five best-selling, fully dramatized audio plays for Simon & Schuster: The Time Machine, Journey to the Center of the Earth, The Lost World, The Invisible Man and The First Men in the Moon, all of which feature Star Trek casts.