Aidan Gallagher
Number Five (10 eps)
Elliot Page
Vanya Hargreeves / Number Seven (10 eps)
Tom Hopper
Luther Hargreeves / Number One (10 eps)
Emmy Raver-Lampman
Allison Hargreeves / Number Three (10 eps)
Robert Sheehan
Klaus Hargreeves / Number Four (10 eps)
David Castañeda
Diego Hargreeves / Number Two (10 eps)
Mary J. Blige
Cha-Cha (10 eps)
Justin H. Min
Ben Hargreeves / Number Six (10 eps)
Cameron Britton
Hazel (10 eps)
Colm Feore
Sir Reginald Hargreeves (10 eps)
Sheila McCarthy
Agnes (10 eps)
Adam Godley
Pogo (10 eps)
Jordan Claire Robbins
Grace (10 eps)
John Magaro
Leonard Peabody (8 eps)
Cameron Brodeur
Young Luther (6 eps)
Rainbow Sun Francks
Detective Chuck Beaman (6 eps)
Eden Cupid
Young Allison (6 eps)
Dante Albidone
Young Klaus (5 eps)
Ethan Hwang
Young Ben (5 eps)
Blake Talabis
Young Diego (5 eps)
Ashley Madekwe
Detective Eudora Patch (5 eps)
T.J. McGibbon
Young Vanya (5 eps)
Kate Walsh
The Handler (4 eps)
Peter Outerbridge
The Conductor (3 eps)
Cody Ray Thompson
Dave (3 eps)
Alyssa Gervasi
Young Vanya (Age 4) (3 eps)
Heather Sanderson
Lady on Bus (3 eps)
Murray Furrow
Syd (3 eps)
Zachary Bennett
Lance Biggs (3 eps)
Emily Piggford
Helen (3 eps)
Sean Sullivan
Middle Aged 5 (2 eps)
Matt Biedel
Sgt. Dale Chedder (2 eps)
Karl Campbell
Goon Leader (2 eps)
Eric Peterson
AI (2 eps)
Tom Henry
Motel Clerk (2 eps)
Alison Smiley
Claudia (Housekeeper) (2 eps)
Patrick Stevenson
Larry (2 eps)
Paskal Vaklev
Teenage Boy (1 eps)
Anna Nadtotchii
Teenage Girl (1 eps)
Janet Monid
Instructor (1 eps)
Adam Growe
Jim Hellerman (1 eps)
Lee Rumohr
Ringleader (1 eps)
Michael Mast
Paparazzi #1 (1 eps)
Phil Borg
Paparazzi #2 (1 eps)
Cherie D'Elia
Paparazzi #3 (1 eps)
Jesse Noah Gruman
Young Harold (1 eps)
Laura Cilevitz
Carla (1 eps)
Soo Garay
Gloria (1 eps)
Birva Pandya
Young Person on Bike (1 eps)
Lise Cormier
Madame Bellview (1 eps)
Tanu Ravi
Gimble Brothers Clerk (1 eps)
John Gleeson Connolly
Manager (1 eps)
Thomas Mitchell
Mr. Jenkins (1 eps)
Matt Lancaster
Rehab Security (1 eps)
Eli Ham
Drug Dealer (1 eps)
Moni Ogunsuyi
Secretary (1 eps)
Celest Chong
Mandarin Woman (1 eps)
Timm Zemanek
Older Man (1 eps)
Zoya Koletta
Old Russian Woman (1 eps)
Melody O'Brian
Teenage Girl (1 eps)
Jeremy Legat
Young Man (1 eps)
Charles Cameron
Young Klaus Age 8 (1 eps)
Durward Allen
Ghoulish Face #1 (1 eps)
Stephen R. Hart
Ghoulish Face #2 (1 eps)
Aliska Malish
Ghoulish Face #3 (1 eps)
Jim Watson
35 Year Old Man (1 eps)
Dan Willmott
Mel (1 eps)
Darrin Maharaj
TV Anchor (1 eps)
Thomas Craig
Gene (1 eps)
Xavier Schoppel
Raver Girl's Boyfriend (1 eps)
Jordana Blake
Young Allison (Age 4) (1 eps)
Ray Kahnert
Immigration Clerk (1 eps)
Patrice Goodman
Dot (1 eps)
Ken Hall
Herb (1 eps)
Coco Assad
Claire (1 eps)