She's a former journalist who holds a master's degree in anthropology. Constantine is tough, driven, ambitious, and interested in explanations beyond the purely scientific.

Lisa LaCroix has appeared in a number of films including Murder, She Wrote: South by Southwest, Ed McBain's 87th Precinct: Ice, Rent-a-Kid, Dance Me Outside and Psychic. Her TV series credits include Chicago Hope, Kung Fu: The Legend Continues and E.N.G.