Narrator John Hockenberry

Narrator Ian Jarvis

Narrator Toni Gannon

self Michael Mevoglioni

self Victor Varnado

self Evelyn Pate

self Alexandra Roberts

self Gary Ruvolo

self Lucille Choohjy

self (as Nina Fleck) Corinna Jeanine Fleck

self Dennis Leroy Kangalee

self Kirsten Campbell

aryan Anna Korenius

aryan Joel Bresland

Field Investigator Brigitte Hagerman

Harry Laughlin Cody Buffinton

Earl Laughlin Scott Abbondanzo

Young Charles Davenport Peter Demas

Baby Bolinger Marcus A. Cooley

Emma Buck Vera Keller

Carrie Buck Jessica Savage

Baby Vivian Ila Starr Danels

Inquisitor Kenneth Strawhand

Supreme Court Justice Lenny Finkelstein

Supreme Court Justice James Anderson

Supreme Court Justice Alec Dana

Supreme Court Justice John J. Quinn

Cow Milker Matt Kirk

Adolf Hitler Hans Longo

Josef Mengele Rick Marshall

Euthanasia Victim Brandon Taylor

Euthanasia Doctor Eva Liedtke

Man - Live Operation Robert Freedman

Experimental Teen Lizzie Henney

Experimental Teen Jonathan Roldan

twin Kobi George

twin Kadin George

twin Keira Hulihan

twin Isabella Hulihan

twin Jolynn Magnani

twin Jessica Magnani

twin Sam Karan

twin Jake Karan

Siamese twin Jared Coglietta

Older Charles Davenport Robert Boileau

Supreme Court Justice James P. Anderson