American Masters: Althea is a Rexpix Media production in association with Thornapple Films. Directed and produced by Rex Miller. Edited and produced by Elisabeth Haviland James. Produced by Nancy Buirski. Cinematographer is Rex Miler. Executive producers are Billie Jean King, William Ackman, John Amos, Richard Browne, Tory Kiam, and Debbie & Larry Linett. Original score by David Majzlin.
Funding for American Masters is provided by The Corporation for Public Broadcasting, Rosalind P. Walter, The Philip and Janice Levin Foundation, The Blanche & Irving Laurie Foundation, Judith and Burton Resnick, The Blanche & Irving Laurie Foundation, Vital Projects Fund, Michael & Helen Schaffer Foundation, Rolf and Elizabeth Rosenthal, Jack Rudin, The André and Elizabeth Kertész Foundation, and public television viewers. Additional funding for this program is provided by the Browne Charitable Fund and Rema Dupont.