Valerie Barr

饰：Self

Emma Blackery

饰：Self

Laura Cardinal

饰：Self - Save the Children

Jessi Knudsen Castañeda

饰：Self

Lindsey Doe

饰：Self

Duncan Gasiewicz

饰：Self

汉克·格林

Hank Green

饰：Himself

Craig Benzine

饰：Himself

Stefan Chin

饰：Himself

Luke Cutforth

饰：Himself

Maude Garrett

饰：Herself

约翰·格林

John Green

饰：Self

Phillip DeFranco

Phillip DeFranco

饰：Self,(as Phillip DeFranco)

Bree Essrig

饰：Self

艾米莉·格拉斯利

Emily Graslie

饰：Self

汉娜·哈特

Hannah Hart

饰：Self

William Haynes

饰：Self

奥尔加·凯

Olga Kay

饰：Self

Ingrid Nilsen

饰：Self

Destin Sandlin

饰：Self

Alli Speed

饰：Self

Sarah Urist Green

饰：Self

Matthew Gaydos

饰：Self

Vi Hart

饰：Self

格雷斯·赫尔比希

Grace Helbig

饰：Self

Caitlin Hofmeister

饰：Self

查理·麦克唐奈尔

Charlie McDonnell

饰：Self

Steve Zaragoza

饰：Self