Denis Anderson

饰：Himself - Scientist

Orlando Clarke

饰：Himself - Beekeeper

Maryann Frazier

饰：Herself - Penn State University

David Hackenberg

饰：Himself - Beekeeper

Marla Spivak

饰：Herself - Professor of Apiculture, University of Minnesota

Dennis Van Engelsdorp

饰：Himself - Acting State Apiarist, Pennsylvania

Bee Wilson

饰：Herself - Author: The Hive

玛莎·卡尼

Martha Kearney

饰：Self - Narrator