- Aasif Mandvi - Uncle Monty
- Alfre Woodard - Aunt Josephine
- Don Johnson - Sir
- Will Arnett - Father
- Cobie Smulders - Mother
- Cleo King - Eleanora Poe
- Mary Black - Sweet Old Lady
- Matthew Cardarople - Henchperson of Indeterminate Gender (Nurse Lucafont)
- Daniel Letto - Lime Salesperson
- Elizabeth Bowen - Dill Salesperson
- Mark Brandon - Veronica (Newsman)
- Stefania Indelicato - Vincent (Newswoman)
- Keith Dallas - Truck Driver (Evander)
- Catherine O'Hara - Dr. Orwell
- Rhys Darby - Charles
- Usman Ally - Hook-Handed Man (Foreman Flacutono)
- Loretta Walsh - Norma Rae
- Trent Redekop - Cesar
- Malcolm Stewart - Mr. Remora
- Yasmeene Ball - Carmelita's Lackey #1
- Emily Delahunty - Carmelita's Lackey #2
- Bronwen Smith - Miss Tench
- Sara Rue - Olivia Caliban
- Kwasi Thomas - Bus Driver
- Adam Manfredi - Ice Cream Customer
- Robbie Segulam - Ice Cream Server
- Ithamar Enriquez - Hector
- Cynthia Mendez - Volunteer Singer #4
- Ashley Ross - Volunteer Singer #2
- Stephanie Lavigne - Woman in trauma bed
- John Bobek - Bearded Man
- Gwenda Lorenzetti - Rash Sufferer
- Sharon Crandall - Woman in Casts
- Jill Morrison - Mrs. Willums
- Nathan Fillion - Jacques Snicket
- Nathan Fillion - Jacques Snicket (voice)
- Marco Grazzini - Chauffeur Abraham
- Sage Brocklebank - Doorperson
- Mindy Sterling - Elder Anabelle
- Ken Jenkins - Elder Sam
- Lossen Chambers - Mrs. Morrow
- Kevin Chamberlin - Man in Plaid Pants
- David Alan Grier - Hal
- Serge Houde - Milt
- Gabe Khouth - Lou
- Arielle Tuliao - Volunteer Singer #1
- Luke Camilleri - Gustav
- Luke Camilleri - Gustav (Rolf)
- Myles McCarthy - Volunteer Singer #3
- Troy Adamson - Volunteer Singer #5
- Sarah Hayward - Volunteer Singer #7
- Xavier De Salaberry - Volunteer Singer #8
- David Hurtubise - Mr. Sirin
- Stephen Richard Lofstrom - Doctor
- David Burtka - Mr. Willums
- Ellie Harvie - Nurse
- Mark Kandborg - Young Ticket Seller
- Herbert Duncanson - Stargazer
- Andres Soto - Photographer
- Matthew Walker - Ticket Seller
- Nakai Takawira - Friday
- Morgan Brayton - Auction Attendee
- Craig Erickson - Auction Attendee
- Barry Sonnenfeld - Ike Anwhistle
- Barry Sonnenfeld - Mr. Tamerlane (voice)
- Marion Eisman - Auction Attendee
- Kaniel Jacob-Cross - Edgar Poe
- Patrick Breen - Larry Your-Waiter
- Patrick Breen - Larry
- Garrett Quirk - Stage Manager
- Patrick Keating - Town Father
- John Stewart - Zombie Snowman
- Sara Canning - Jacquelyn
- Daniel Handler - Fish Head Salesperson
- Tara Strong - Sunny Baudelaire (voice)
- James Hibbard - Chorus Performer
- Sadie Silcock - Mysterious Woman
- Robbie Amell - Kevin
- BJ Harrison - Mrs. Bass
- Kevin Cahoon - Hugo
- Bonnie Morgan - Colette
- Zandara Kennedy - Policewoman
- Keegan Connor Tracy - Scout Leader
- Allison Williams - Kit Snicket
- Allison Williams - Kit Snicket (uncredited)
- Jaedon Siewert - Snow Scout #4
- Mamie Laverock - Snow Scout #5
- Flossie McKnight - Submarine Rental Clerk
- Chris Gauthier - Phil
- Eanna O'Dowd - Bellboy
- Latonya Williams - Bellgirl
- Lucy Punch - Esmé Squalor
- Dylan Kingwell - Duncan Quagmire
- Dylan Kingwell - Quigley Quagmire
- Dylan Kingwell - Quigley Quagmire / Duncan Quagmire
- Tony Hale - Jerome Squalor
- Richard E. Grant - Man with Beard But No Hair
- Roger Bart - Vice Principal Nero
- Beth Grant - Woman with Hair But No Beard
- Max Greenfield - Frank Denouement / Ernest Denouement / Dewey Denouement
- Joan Cusack - Justice Strauss
- Kitana Turnbull - Carmelita Spats
- Carol Mansell - Elder Jemma
- Kerri Kenney - Babs
- Eric Keenleyside - Fire Chief
- Rob LaBelle - Taxi Driver
- Timothy Webber - Jimmy
- Lauren McGibbon - Perky Volunteer
- Peter MacNicol - Ishmael
- Angelina Capozzoli - Beatrice Baudelaire II
- Morena Baccarin - Beatrice
- Darcey Johnson - Trolleyman
- Simon Chin - Alonso
- Amanda Burke - Colonist
- Jason Burkart - Another Colonist
- Angela Moore - Miranda
- Matthew James Dowden - Bertrand
- John DeSantis - Bald Man
- Avi Lake - Isadora Quagmire
- Kassius Nelson - Fiona
- Daniel Handler
Craig Erickson interpreta a Auction Attendee en la serie.
Joan Cusack interpreta a Justice Strauss en la serie.
Alfre Woodard interpreta a Aunt Josephine en la serie.
Eric Keenleyside interpreta a Fire Chief en la serie.
Neil Patrick Harris interpreta a Count Olaf en la serie.
Patrick Warburton hace el papel de Lemony Snicket.
Malina Weissman hace el papel de Violet Baudelaire.
Louis Hynes interpreta a Klaus Baudelaire en la serie.
K. Todd Freeman hace el papel de Arthur Poe.
Presley Smith interpreta a Sunny Baudelaire en la serie.
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