Dr. John "J.D." Dorian

Zach Braff

Dr. Christopher 'Chris' Duncan Turk

Donald Faison

Dr. Elliott Reid

Sarah Chalke

Dr. Robert 'Bob' Kelso

Ken Jenkins

Dr. Perry Cox

John C. McGinley

Nurse Carla Espinosa

Judy Reyes

The Janitor

Neil Flynn

Mr. Blair

Ted Lange

Mr. Woodbury

Kevin Cooney

Nurse Paul

Rick Schroder

Mrs. Warner

Maree Cheatham

Mrs. Kaye

Phyllis Applegate

Dr. Di Stefano

Brian McGovern

Nurse

Bonita Friedericy

Troubador

Colin Hay

Julie Keaton

Heather Locklear

Steve Larkin

Sam Jaeger

Mr. Bragin

Alan Ruck

Spence

Ryan Reynolds

Jordan Sullivan

Christa Miller

Kevin Turk

D.L. Hughley

Dan Dorian

Tom Cavanagh

Dr. Amato

Jeff Asch

Dr. Peter Fisher

Jay Mohr

Jamie Moyer

Amy Smart

Dr. Townshend

Dick Van Dyke

Dr. Gross

Eric Bogosian

Dr. Zeltzer

Bob Clendenin

Fred Berry

Fred Berry

Todd

Robert Maschio

Jay Leno

Jay Leno

David Copperfield

David Copperfield

Dr. Simon Reid

Lane Davis

Dr. Wen

Charles Rahi Chun

Mike

Michael MacDonald

Mr. Corman

Richard Kind

Ted Buckland

Sam Lloyd

Bonnie

Lela Lee

Elaine

Jill Tracy

Laverne Roberts / Nurse Shirley

Aloma Wright

Employee

Natalie Farrey

Lisa

Sarah Lancaster

Mrs. Marrick

Stacy Barnhisel

ER Doctor

Marcus Ashley

Mr. Hilliard

Barry Kivel

Mrs. Bumbry

Kerry Michaels

Dr. Rose

Richard Cansino

Baby Marrick

Garrett Donovan

Mrs. Kellerman

Jill Basey

Mike

Cole Williams

Mr. Foster

Ron Ostrow

Woman

Susan Grace

Mrs. Watson

Marcy Goldman

Car Driver

Bob McClurg

Mr. Hogan

Brian Powell

Dr. Amato

Jeffrey Asch

Dana

Bruce Sledge

Dr. Walch

Biff Yeager

Mrs. Koppleman

Damara Reilly

Surgery Patient

Leslie David Baker

Attractive Woman

Monica Allison

Mr. Marrick

Don Tiffany

Doug Murphy

Johnny Kastl

Father

Daniel Edward Mora

Mr. Zerbo

Scott Peacock

Old Mother

Lyla Graham

Husband

James Henriksen

Justin

Jonathan Conrad

Beautiful Woman

Britt Erickson

Nurse

Jennifer Elia

Jack Moyer

Adam Harrington

Chaplain

Robert Noble

Jenny

Lenore Thomas

Keith

Travis Schuldt

Dr. Johnson / Roy

Robert Beckwith

Lady / Dr. Mitchell

Kit Pongetti

Clinic Director

Keilana Smith

Rolf Mueller

Soren Hellerup

Young J.D.

Cody Estes

Dr. Donna

Debra Azar

Choir Leader

Brogan Roche

Lloyd / Delivery Guy / Patient

Mike Schwartz

Chet

Jason Baumgard

Maintenance Man 2

J.K. Baker

Denise Mahoney

Eliza Coupe

Carol Stonewater

Bergen Williams

Mr. Grimmett

Larry Udy

Sandy Larkin

Toni Ann Rossi

Surgeon

Tim Benedick

Wife

Sarah Lilly

Gyno Girl 4

Theresa Barrera

Figsack / Mark the Orderly / Deonte

Deonte Gordon

Mike

Gabriel Pimentel

Patient

Kelly McCracken

Guy With Perm

Douglas Sutherland

Mr. Simms

Keith Blaney

Angry Golfer

Robb McKindles

Orderly

Derek Miller

Dr. Gerson

Julie Hudson

Hermann Mueller

Ingo Neuhaus

Lauren

Lindsey Stoddart

Mr. Groff

Steve Susskind

Maintenance Man 1

Larkin Campbell

Franklyn

Masi Oka

Resident Physician

Michael Bondies

Dr. Mickhead

Frank Encarnacao

Young Woman

Jessica Wright

Bespectacled Nurse

Amy Tolsky

Doctor

Jon Braver

Crispin

George Miserlis

Nurse

Angee Hughes

Kid

Trevor Wright

Mrs. Grayson

Kathryn White

Cute Nurse

Paige Peterson

Female Patient

Gillian Vigman

Mr. Weinberg

Richard Voigts

Woman

Rochelle Robinson

Reporter

James M. Connor

Dad

Richard Livingston

Dr. Dave

John Dalton

Randall

Paul F. Perry

Snoop Dogg Intern

Petra Sprecher

Medical Orderly

Turbo Kong

Small Man at Bar

Verne Troyer

Security Guard

D. Elliot Woods

Troy

Joe Rose

Mrs. Brady

Melanie Rockwell

Doctor / Dr. Page

Donald Sage Mackay

Roy

Philip McNiven

Noelle

Linda Tran

Dr. Kim Briggs

Elizabeth Banks

Dr. Beardface

Geoff Stevenson

Patient

Dave Martel

Ralphie

Joey Saravia

Boy

Hayden Tank

Lonnie / Pizza Guy

Michael Hobert

Medical Intern

David Blue

Little Justin

Adam Gobble

Sam Dorian

John Ritter

Leering Asian Orderly

Ernesto Trinidad

Rudy

Danny Swerdlow

Lucy Bennett

Kerry Bishé

Drew Suffin

Michael Mosley

Cole Aaronson

Dave Franco

Baby Jack

Andrew Miller

Sean Kelly

Scott Foley

Leonard / Death

Randall Winston

Danni

Tara Reid

Snoop Dogg Intern / Snoop Dogg Resident / Snoop Dogg Attending

Manley Henry

Gloria

Christina Miles

Maya

Nicky Whelan

Dr. Molly Clock

Heather Graham

Lisa

Jordan Zucker

Cabbage / Jason

Shaughn Buchholz

Rex

Aaron Ikeda

Dr. Katie Collins

Betsy Beutler

Mrs. Wilk

Michael Learned

Randall

Martin Klebba

Dr. Matthews

Jay Kenneth Johnson

Dr. Sunny Day / Sunny Day

Sonal Shah

Trang

Matthew Moy

Nurse / Bernice / Nurse Kattia

Kattia Ortiz

Colonel Doctor

Bob Bencomo

Mike Davis / Dr. Toilet (voice) / Mr. Cropper

Michael McDonald

Jill Tracy

Nicole Sullivan

Boon

Tyler Poelle

Dr. Miller

Bellamy Young

Kylie

Chrystee Pharris

Debbie / Slagathor

Lindsay Ravage

Howie

Todd Bosley

Hooch

Phill Lewis

Kathy

Meredith Roberts Quill

Stephanie Gooch

Kate Micucci

Captain Duncook / Capt. Duncook

Windell Middlebrooks

Jeffrey Steadman

Matt Winston