Dumb and Dumber To

Bill Murray

Ice Pick

Jim Carrey

Lloyd Christmas

Erin Allin O'Reilly

Asylum Nurse No. 1

Patricia French

Ms. Sourpuss

Erika Bierman

Fanny at Age 13

Lindsay Ayliffe

Professor Garabedian

Taylor St. Clair

Mrs. Steiner

Matthew Cardarople

Inventor No. 1

Daniel Greene

Wheelchair Ninja

Eddie Shin

Gordy

Laurie Holden

Adele

John Merical

Neighbor (uncredited)

Jeff Daniels

Harry Dunne

Swizz Beatz

Ninja Leader

Don Lake

Dr. Meldman

Kathleen Turner

Fraida

Edward Barbanell

Nursing Home Orderly

Tembi Locke

Dr. Walcott

Rob Riggle

Travis / Captain Lippincott

Steve Tom

Dr. Pinchelow

Grant James

Mr. Stainer

Carly Craig

Young Fraida

Tommy Snider

Tom

Michael Yama

Harry's Dad

Paul Blackthorne

Emergency Room Doctor

Danny Murphy

Joystick Victim

Rachel Melvin

Penny

Mariann Neary

Farmer's Wife

Will Coogan

Room Service Waiter

Sean Gildea

Trucker's Pal

Nancy Yee

Harry's Mom

Jo Helton

Mrs. Snergle

Brady Bluhm

Billy

Jon Barinholtz

Inventor No. 3

Jennifer Cocker

Young Inventor (uncredited)

Walter Hendrix III

Street Patron (uncredited)

Maia Moss-Fife

Receptionist

Gregory Fears

Man at Gas Station (uncredited)

Angela Kerecz

Waitress (uncredited)

Atkins Estimond

Gus

Walt Arnett

KEN Audience Member

Kassidy Claire

Fanny at Age 5

Bryan Dilbeck

Dr. Dilbeck

Dalton E. Gray

Young Harry

Michael McCrudden

Audience Member

June Shannon

Harry's Trailer Park Wife

Jeff Sumner

Convention Official

Dave Walpole

KEN Conference Attendee

Elizabeth Cooper

Mrs. Julie James

Nancy Byers Farrelly

Asylum Nurse #2

Derek Holland

Asylum Patient

Brendan Boyle

Asylum Patient

Brett Wyman

Inventor #2

John Imlay

Farmer

Lucas Daniels

Bartender

Carter Hicks

Bus Kid

Baxter Cooper Rogers

Prom Date

Sandra Dorsey

Stuffy Woman

Arielle Liberman

Emergency Room Nurse

Jon Barry

Emergency Room Orderly

Jesse Gines

Emergency Room Orderly

Robin O'Neal Sorensen

Emergency Medical Technician #1

Chris Randall Sorensen

Emergency Medical Technician #2

Caryle Seim

Trailer Grandma

John Deifer

Mental Patient (uncredited)

Abigail Gamache

Prom Attendee (uncredited)

Rhomeyn Johnson

Bus Driver