德雷克·约翰斯顿

Drake Johnston

饰：Young Henry

布里德基·萨蒂纳

Bridger Zadina

饰：George

Matt McKenna

Matt McKenna

饰：Narrator,

Wes Robertson

Wes Robertson

饰：Henry

波士顿·拉什·弗里曼

Boston Rush Freeman

饰：Henry age 3

Archie Archambo

饰：Rj Moneybags

艾莉森·施罗德

Allison Schroeder

饰：Blonde 'Scientist'

Annie Lukowski

饰：Birthday Girl

Adrienne Zi

Adrienne Zi

饰：Saucy Scientist

Avital Levy

饰：Frosty Scientist

Mike Nojun Park

饰：Blind Date Guy,(as Mike Park)

Jack Hunter

饰：Devin Guzzler

Claudia Cimino

饰：Girl Gone Wild 2

Charles R. Uy

饰：Proto-Asian Scientist

Andrew J. Ferranti

饰：European Fellow,(as Andrew Ferranti)

朗·哈伯

Lon Haber

饰：Sassy Scientist

Kei Hirayama

饰：Reginald IV, Esq.

安吉拉·翠姆博

Angela Trimbur

饰：Blind Date Girl

Ernie Rivera

Ernie Rivera

饰：Talkshow Boyfriend

Devin Leigh

饰：Moe Hogan

Erika Yanez

饰：Girl Gone Wild 1