Joanne Burkholder

饰：Herself

Larry Cahoon

饰：Himself

Michael Greger

饰：Himself

Eberhard Hartung

饰：Himself

Earl Hatley

饰：Himself

Michele Merkel

饰：Herself

Parris N. Glendening

饰：Self

Don McCorkell

Don McCorkell

饰：Self (interviewer)