David O'Hara Matthan Harris

Mr. O'Hara 比尔·莫斯利

Dr. Gardner 希德·黑格

Agent Wilson 道格·布拉德利

Lieutenant Lorenzo Giovanni Lombardo Radice

Detective Samuels Charles Duran

Detective Martin Gerardo Davila

Melissa Daniels Lindsay Hightower

Detective Andrews Matt Socia

Detective Frederick Terry Spector

Dr. Barrows Kim Cicio

Angela Allison Victoria-Wolfe

Jamey Miller Ian Maurer

Officer Jones Martin Ezelle

Chance Palman Sean Hubbard

Officer Gray Adam Litwin

Officer Harris Shane Land

Robert Dean A. Sorenson

Anatomy Lab Professor Deborah R. Jones

Anatomy Professor Janet Kirby

Patricia Katharine Franco

Hospital Guard #2 Eric A. Maskell

Hospital Guard #1 Ricardo Neaves

Joe Zach Leftwich

Hooker #1 Marcelli Felice

Jessica Aaryn-Nicole Cox

Ashley O'Hara Elena Kivil

Isabel (voice) Amber Burroughs

Rachel (voice) Lindsay Seidel

Medical School Student Kerry McCormick

Medical School Student Mark Lawyer

Medical School Student Sophia Rojas

Medical School Student Jessica Goldfield

Medical School Student Aunik Zaman

Medical School Student Blanchette Ledlum

Medical School Student Eric Garrett

Medical School Student Jesse Shadle

Medical School Student Kimberly Smay

Medical School Student Joshua Wilkins

House Party Guest Sarah Kate Allsup

Medical School Student Tisha Wilson

House Party Guest Kasie Callaway

House Party Guest Riyad Faruque

Kristen Amy Erin Amory

Agent Keller Ka Beesler

Young David O'Hara Richard Linn

Rachel Alicia Underwood

Stuart Gabe Saenz

Hooker #2 Kimberly Birdow

Medical School Student Micah Goodier

Medical School Student Aaron Kepler

Anatomy Student #2 Michael Hodson