Currently available on 2 streaming services.

Underdog - watch online: streaming, buy or rent

Currently you are able to watch "Underdog" streaming on Amazon Prime Video, Amazon Prime Video with Ads. It is also possible to buy "Underdog" on Amazon Video as download or rent it on Amazon Video online.

Cast

Becca Buckalew
Sam Miller
Kim Estes
Donovan Harold
Amber Wegner
Liz Goodman
Sherry Hursey
Nurse April
Brian Krause
Dallas
Wade O. Alden
Ray Goodman
Ariane Nicole Andrew
Cecilia Collins (CC)
Daniel Felix de Weldon
DJ
Phillip Andre Botello
Mark
Phillip Musumeci
Bobby Miller
Juliet Rusche
8 year old Sam
Sarah Brown Carter
Julia Miller
Danny Hansen
Dave Miller
Kenneth Antonio Fernandez
Carlos
Curtis Nelson II
Dr. Lennox Holloway
Xander Bailey
Patrick O'Neal
Halstan Williams
Steve Ridley
Thomas Haley
Officer McKnight
Kevin Caliber
Officer Stanley
Ritchie Greer
Nathan
Louie Mandrapilias
Ring Announcer
Thamys Bertoldi
Nurse May
Isidoro Perez
Jesus
Luisa Vitor
Nurse Charlotte
Tatjana Bluchel
Jennifer Thompson
Sophiah Koikas
Amy
Al Burke
Officer Burke
Raymond Vinsik Williams
Officer Williams
Arlene Barshinger
Reporter 2
David Murrietta Jr.
Fight Doctor
Hadley Scheff
4 year old Sam
Yoshi Nurijumi
Ben
Gene Arroyo
Jordan
April Schutte
Shelly
Leonel Claude
Frank
José Arana
Robert Marquez
Tiana Sharp
Eve
Ryan Richko
Dan
Alexander T. Hwang
Captain Lee
Charles Chudabala
Lieutenant Arroyo
Mark Krenik
MMA Scout Twinks
Siena Bjornerud
Julie
Meena Amani
Eva 'La Conquistadora'
Bruce Trent
Matthew
Ari Davis
Stan
Cathy Deobler
Meredith
Veronica Farren
Regina
Adra Janean Fenstermaker
Jessi
Peter Janov
Adam
David Johnson
Mark
Heather Johnson
Stacy
Kaylee Garrett
Brittney
Tammy Mora
Amber
Troy Musil
Brad
Rufino Romero
Christian
Erik Anthony Russo
Seth
Paul Wegner
Ref 2
Katherine Stephens-Miller
Sarah
Elle Sunkara
Patricia
Valeria Sweet
Marie
Dylan Shaun McCullough
10 year old Bobby
Keta Meggett
The Pretty Flower