Teresa Marie Doran as Ora Blackwood, the illustrator.
A North American woman, nearing the end of her education at an Ivy League University. She is to become the first graduated female botanist in the country. Rebellious and fiercely intelligent, she is the expedition’s botanical illustrator, and has a passion for early science fiction, H.G. Wells and Jules Verne.
Dan Lin as Matsudaira Basho, the taxonomist.
An Asian man, nearing the end of his education at a North American Ivy League University. An excellent taxonomist and linguist, he has taken up study in North America because of the similarities in forest ecology to that of his home province of Aomori, Japan. Matsudaira is an adventurer, and the expedition's chief cataloguer of all flora.
Sari Mercer as Avis Tasker, the nurse.
A North American woman, nearing the end of her education at an Ivy League University. She is a nurse, and the daughter of WWI army medic. Unable to study as a doctor due to the sexism and dogmas of the 1920s, she has immersed herself in the study of botanical cures and remedies. Protective and bare-knuckle in hard situations, she is both a dreamer and a realist.
Caleb Noel as Haviland Corey, the cook.
A North American man, returning home from two years abroad, working on an Antarctic Research Ship. Haviland is rough, rakish and skilled at hunting and cooking. He is the expedition's official camp chef, as well as the expedition's unofficial camp pragmatist.
Miles G. Jackson as Rudyard Corey, the botanist.
A North American man, nearing the end of his education at an Ivy League University. Coming from an affluent family, he is the life of the party. An excellent botanist and a terrific dandy. For Rudyard, life is about laughter, music, love and science.
Will Aaron as Charles Horne, the cartographer.
A North American man, nearing the end of his education at an Ivy League University. He is the expeditions' cartographer and engineer. Burly, intelligent, practical and direct, he is a man of action. Surrounded by scientists and explorers, for him discovery is an afterthought, compared to the coming joy of graduation.