- Leslie Nielsen
- Harry Haber
- Christopher Lloyd
- Lawrence 'Larry' Kayvey
- Matt McCoy
- Russ Syracuse
- Sherry Miller
- Valerie Syracuse
- Amos Crawley
- Brandon Ward
- Cody Jones
- Kyle Ward
- Tabitha Lupien
- Molly Ward
- Tony Rosato
- Cliff Haber
- Lisa LaCroix
- Teresa Woolcot
- Kevin Hicks
- Dan Woolcot
- Tannis Burnett
- Mrs. Lachman
- Edward Heeley
- Mr. Lachman
- Judah Katz
- Dr. Leff
- Ellen-Ray Hennessy
- Tracy, Haber's Office Secretary
- Michael Anderson Jr.
- Mr. Nicely
- Amanda Tapping
- Mrs. Nicely
- Walter Alza
- Miguel
- Victoria Mitchell
- Mrs. Olsen
- Paul Brown
- Mr. Keenan
- Warren Davis
- Mr. Loman
- Stink Fisher
- Mr. Ashley
- Arlene Meadows
- Mrs. Wilson
- Lenore Zann
- Elaine Loman
- Nicholas Rice
- Lead Surgeon
- John French
- Short Surgeon
- Kelli Fox
- Nurse
- David Fraser
- Mexican Waiter (With Spanish Accent)
- Sheila Brand
- Tearoom Hostess
- Christian Laurin
- Pretentious Waiter