Full cast of Extant
Michael O'Neill
Alan Sparks
13 episodes
Sergio Harford
Marcus Dawkins
9 episodes
Charlie Bewley
Odin James
7 episodes
Cleo Anthony
Ares
7 episodes
Annie Wersching
Femi Dodd
6 episodes
Jeannetta Arnette
Anya Sparks
6 episodes
Henderson Wade
Adhu / Offspring
6 episodes
Lyndon Smith
Kelsey Richter
6 episodes
Kate Burton
Fiona Stanton
6 episodes
Hilarie Burton Morgan
Anna Schaefer
5 episodes
Mark Adair-Rios
GSC Tech / Tech
5 episodes
Patrick Johnson
Lucas
5 episodes
Eric Martsolf
B.E.N. (voice)
4 episodes
Brian Oblak
Security Chief Norwak / Nowak
4 episodes
Shannon Merrill Brown
Offspring
4 episodes
McKenna Roberts
Terra
4 episodes
Anelys Tuin
Shepherd's Aide
4 episodes
Louis Gossett Jr.
Quinn
4 episodes
Genneya Walton
Terra / Teenage Terra
4 episodes
Adam O'Brien
Ryan Jackson
3 episodes
Barry Wiggins
ISEA Security Guard
3 episodes
Doug Simpson
Chief Tech Davis
3 episodes
Shree Crooks
Young Katie Sparks
3 episodes
Lynnanne Zager
G.I.N.A. (voice) / G.I.N.A.
3 episodes
Jimmy Jean-Louis
Pierre Lyon
2 episodes
Jonathan Craig Williams
Bill Hendy
2 episodes
Kevin Ryan
Balloon Vendor / Man with Phone
2 episodes
JoBeth Williams
Leigh Kern
2 episodes
Adam O'Byrne
Ryan Jackson
2 episodes
Stacie Greenwell
Mrs Kent / Woman
2 episodes
Esther Scott
Esther Wimberley
2 episodes
Rocco Vienhage
Derek Pearce
2 episodes
Nazanin Nour
Camera Tech
2 episodes
McKenna Kerrigan
Revive Team Leader
2 episodes
Kate Zenna
Board Member
2 episodes
Rob Murat
Security Guard
2 episodes
Billy Malone
Police Officer
2 episodes
Aline Elasmar
Tech
2 episodes
Stephen Anthony Bailey
Tech
2 episodes
Keegan Boos
Boy
2 episodes
Jimmy Shotwell
Boy
2 episodes
Lisa Yamada
Japanese Girl
2 episodes
Megan Uesugi
Japanese Girl
2 episodes
Michael Dempsey
Sheriff Dugan
2 episodes
Gabrielle Conforti
Waitress
2 episodes
Nicolas Pajon
Mattieu
2 episodes
Anthony M. Bertram
Man / Ed Kent
2 episodes
Candace Kozak
Oya
2 episodes
Tehmina Sunny
Iris
2 episodes
James Ferris
Roughneck
2 episodes
Steven Allerick
GSC Tech / Tech
2 episodes
Melissa Tang
Mei Fong
2 episodes
Jamaal Hepburn
Helios
2 episodes
Duncan Bravo
Government Official
2 episodes
Leyna Nguyen
Reporter
2 episodes
Steven D. Snyder
GSC Guard
2 episodes
Jason Wesley
Hybrid
2 episodes
Bianca Lopez
Fiona's Aide
2 episodes
Briana Lane
Corrine
2 episodes
Jessica Borden
Barista
2 episodes
David Douglas
Vendor
2 episodes
Robert Loftin
Customer
2 episodes
Glen Mac
Euclid Security
2 episodes
Jimmy Chhiu
Humanich Soldier
2 episodes
Rushi Kota
Humanich Tech
2 episodes
Jerry Wolf
Humanich Sentry
2 episodes
Kirk B.R. Woller
Sheriff
1 episode
Jeff Schine
Ray
1 episode
Sam Golzari
Danny
1 episode
Jonathan Palmer
Dr. Calder
1 episode
Anne Ramsay
Laurie Vinson
1 episode
Lee Garlington
Principal
1 episode
Fred Maske
Griggs
1 episode
Lynette DuPree
Landlady
1 episode
Vivan Dugré
Journaliste
1 episode
Elaine Ann Hu
Valerie
1 episode
Shelley Robertson
Frankie
1 episode
Rick Kelly
Segers
1 episode
Kenzo Lee
Tech
1 episode
Christine Donlon
Karen
1 episode
Max Page
Andrew
1 episode
Paris Benjamin
Kryger's Mother
1 episode
Yaani King Mondschein
Mom
1 episode
Scott Beehner
Rob
1 episode
Lila Dupree
Lena
1 episode
Andrew Kirsanov
Sergei
1 episode
Ryan Carlberg
Billy
1 episode
Tommy Dickie
Underling
1 episode
Eric Pumphrey
Russel
1 episode
Valentina Garcia
Nurse
1 episode
Phillip DeVona
Luther
1 episode
Ross Mackenzie
Dr. Henry Meehan
1 episode
Deborah Puette
Deputy Nancy Bench
1 episode
David Moses
Earl Wimberley
1 episode
Carl Ciarfalio
Service Truck Driver
1 episode
Michael Broderick
Yasumoto Tower Security Guard
1 episode
Teresa Huang
EMT
1 episode
Eijiro Ozaki
Chief Scientist
1 episode
Yamil Ureña
Operative Sanders
1 episode
Reginald James
Security Guard
1 episode
May Miyata
Japanese Woman
1 episode
Cheyenne Nguyen
Little Girl
1 episode
Danny Vasquez
Operative
1 episode
Casey Adams
Operative
1 episode
Jerry T. Adams
Operative
1 episode
Sumiko Braun
ISEA Security Guard
1 episode
Barry Shabaka Henley
Senator Gabel
1 episode
Jamila Webb
Nurse Aziza
1 episode
Edgar Blackmon
Lab Assistant
1 episode
Ryan Deal
Lead Marshal
1 episode
Eileen Fogarty
Reporter
1 episode
Robert J. Watkins
Guard
1 episode
Kristina Jimenez
Bar Woman
1 episode
Greg Vaughan
Man
1 episode
Seril James
Aide
1 episode
David Clayton Rogers
Mike Grant
1 episode
Leslie Thurston
Attendant
1 episode
Craig Tsuyumine
Virtual Doctor
1 episode
John Colella
Arman
1 episode
Jo McGinley
Landlady
1 episode
Brody Nicholas Lee
Teenage Offspring
1 episode
Kurt Ela
Coroner
1 episode
Roy Werner
Top Dog
1 episode
Adam Zastrow
Drug Dealer
1 episode
Joey Abril
Nose Ring
1 episode
Mary Gallagher
Pregnant Woman
1 episode
Billy 'Sly' Williams
Klebald
1 episode
Jennifer Say Gan
Nurse
1 episode
Joe Sabatino
Building Inspector
1 episode
Chris Johnen
GSC Security Guard
1 episode
Michael Spellman
Husband
1 episode
Lorenzo Bastien
Gavin
1 episode
Asher Deva
Josiah
1 episode
Aria Lyric Leabu
Toby's Niece
1 episode
Christopher Allen
GSC Security Guard
1 episode
Sara Amini
Humanich Tech
1 episode
Bryan Krasner
GSC Security Guard
1 episode
Jack Guzman
Carnival Security Guard
1 episode
Scott Vance
Carny
1 episode
Evan Olman
Tommy
1 episode
Cassidey Fralin
Nine-Year Old Molly
1 episode
Nathan Bosinger
GSC Security Guard
1 episode
Aaron Scotti
Edward
1 episode
Carly Steel
News Reporter
1 episode
