Douglas Preston is the co-author with Lincoln Child of the celebrated Pendergast series of novels, including such best-selling titles as "Fever Dream", "The Book of the Dead", "The Wheel of Darkness", and "Relic", which became a number one box office hit movie. His solo novels include the "New York Times" bestsellers "Impact", "Blasphemy", "The Codex", and "Tyrannosaur Canyon". His most recent nonfiction book, "The Monster of Florence", is being made into a film starring George Clooney. Preston is an expert long-distance horseman, a member of the elite Long Riders Guild, and a Fellow of the Royal Geographical Society. He has travelled to remote parts of the world as an archaeological correspondent for "The New Yorker". He also worked as an editor and writer at the American Museum of Natural History in New York and taught nonfiction writing at Princeton University. Preston is the Co-president of International Thriller Writers, and serves on the Governing Council of the Authors Guild.

Rene Auberjonois is an American stage, film, television, and voice actor. After graduating from Carnegie-Mellon University, he acted with various theater companies, including San Francisco's American Conservatory Theater and Los Angeles' Mark Taper Forum. In 1969, he earned a Tony Award for his performance as Sebastian Baye alongside Katharine Hepburn in Coco. Since then, he has acted in a variety of theater productions, films, and television series, in addition to being active in radio drama.