Jim Carrey

Lloyd Christmas

Acting

Jeff Daniels

Harry Dunne

Acting

Laurie Holden

Adele

Acting

Rachel Melvin

Penny

Acting

Kathleen Turner

Fraida

Acting

Rob Riggle

Travis / Captain Lippincott

Acting

Tembi Locke

Dr. Walcott

Acting

Paul Blackthorne

Emergency Room Doctor

Acting

Brady Bluhm

Billy

Acting

Patricia French

Ms. Sourpuss

Acting

Steve Tom

Dr. Pinchelow

Acting

Don Lake

Dr. Meldman

Acting

Eddie Shin

Gordy

Acting

Atkins Estimond

Gus

Acting

Tommy Snider

Tom

Acting

Lindsay Ayliffe

Professor Garabedian

Acting

Matthew Cardarople

Inventor No. 1

Acting

Bill Murray

Ice Pick

Acting

Grant James

Mr. Stainer

Acting

Taylor St. Clair

Mrs. Steiner

Acting

Erin Allin O'Reilly

Asylum Nurse No. 1

Acting

Walt Arnett

KEN Audience Member

Acting

Erika Bierman

Fanny at Age 13

Acting

Kassidy Claire

Fanny at Age 5

Acting

Carly Craig

Young Fraida

Acting

Bryan Dilbeck

Dr. Dilbeck

Acting

Dalton E. Gray

Young Harry

Acting

Michael McCrudden

Audience Member

Acting

June Shannon

Harry's Trailer Park Wife

Acting

Maia Moss-Fife

Receptionist

Acting

Jeff Sumner

Convention Official

Acting

Julius Sharpe

KEN Conference Attendee

Writing

Dave Walpole

KEN Conference Attendee

Acting

Elizabeth Cooper

Mrs. Julie James

Acting

Michael Yama

Harry's Dad

Acting

Nancy Byers Farrelly

Asylum Nurse #2

Acting

Derek Holland

Asylum Patient

Acting

Brendan Boyle

Asylum Patient

Acting

Swizz Beatz

Ninja Leader

Acting

Mike Cerrone

Trucker

Writing

Sean Gildea

Trucker's Pal

Acting

Brett Wyman

Inventor #2

Acting

Jo Helton

Mrs. Snergle

Acting

Edward Barbanell

Nursing Home Orderly

Acting

Mariann Neary

Farmer's Wife

Acting

John Imlay

Farmer

Acting

Jon Barinholtz

Inventor No. 3

Acting

Lucas Daniels

Bartender

Acting

Carter Hicks

Bus Kid

Acting

Baxter Cooper Rogers

Prom Date

Acting

Sandra Dorsey

Stuffy Woman

Acting

Arielle Liberman

Emergency Room Nurse

Acting

Jon Barry

Emergency Room Orderly

Acting

Jesse Gines

Emergency Room Orderly

Acting

Robin O'Neal Sorensen

Emergency Medical Technician #1

Acting

Chris Randall Sorensen

Emergency Medical Technician #2

Acting

Daniel Greene

Wheelchair Ninja

Acting

Will Coogan

Room Service Waiter

Acting

Caryle Seim

Trailer Grandma

Acting

Danny Murphy

Joystick Victim

Acting

Paul Bednarz

KEN Convention Employee (uncredited)

Crew

Jennifer Cocker

Young Inventor (uncredited)

Acting

John Deifer

Mental Patient (uncredited)

Acting

Gregory Fears

Man at Gas Station (uncredited)

Acting

Abigail Gamache

Prom Attendee (uncredited)

Acting

William Goodrum

Prom Singer (uncredited)

Sound

Walter Hendrix III

Street Patron (uncredited)

Acting

Angela Kerecz

Waitress (uncredited)

Acting

John Merical

Neighbor (uncredited)

Acting

Rhomeyn Johnson

Bus Driver

Acting

Nancy Yee

Harry's Mom

Acting