Thomas McNulty was born in Chicago and is a graduate of Columbia College's famed writing program. He is the author of the critically acclaimed biography Errol Flynn: The Life and Career, the culmination of over a decade of research and writing. His celebrity interviews, articles, essays, book reviews and film reviews have appeared in numerous publications - from the slicks to the pulps - including: American Cowboy, Filmfax, The Big Reel, Classic Images, Films of the Golden Age, Kung-Fu Magazine, Mystery News, Comic Effect and Scary Monsters among others.

Tom has also published poetry in various literary journals. He is an enthusiastic martial artist and has a black belt in Kyuki-Do, a martial art which he has been practicing for many years. He is also an avid shooting enthusiast, particularly with guns from the American frontier era. He competes regularly in Cowboy Action shooting competitions.

Tom made his (brief) screen debut as an extra playing a "bank clerk in the film Road to Perdition, starring Tom Hanks and Paul Newman. He was a research contributor (stills and research material) to the documentary The Adventures of Errol Flynn, for Top Hat Productions. He was also a contributor to the documentary Tasmanian Devil: The Fast and Furious Life of Errol Flynn, Flaming Star Films, for BBC Australia and released in March 2007. Recently Tom provided the audio commentary for the Warner Brothers DVD release of Rocky Mountain starring Errol Flynn (released August 29, 2008). And finally, Tom can be seen on the TV Land program, Myths & Legends, as a guest commentator. Tom's episode, "Curses, Corpses and Alice Cooper," premiered November 12, 2008. He continues to publish in mainstream, independent press, and specialty print-on-demand venues. He is a member of The Society of Midland Authors. Tom lives in Crystal Lake, Illinois with his wife, Jan, and daughter, Brenna.