The series is set in an alternate world where humans and anthropomorphic animals live side by side, taking place mostly in Hollywoo (the name is changed after the D is stolen from the sign). BoJack Horseman (Will Arnett) is the washed-up star of the 1990s sitcom Horsin' Around, which centered around a young bachelor horse trying to raise three human children who had been orphaned. Now living in relative obscurity in his Hollywood Hills mansion, BoJack plans a monumental comeback to celebrity relevance with a tell-all autobiography to be written by ghostwriter Diane Nguyen (Alison Brie). At the same time, he deals with his addiction to drugs, alcohol, and the resulting recklessness. BoJack also has to contend with the demands of his agent and on-again-off-again girlfriend Princess Carolyn (Amy Sedaris), the misguided antics of his freeloading roommate Todd Chavez (Aaron Paul), and his former rival Mr. Peanutbutter (Paul F. Tompkins).
Will Arnett as BoJack Horseman a self-loathing cynical alcoholic horse currently in his 50s, whose acting career peaked when he starred in a successful 1990s family sitcom called Horsin' Around
Amy Sedaris as Princess Carolyn a pink Persian cat
Alison Brie as Diane Nguyen a human ghostwriter, a well-schooled, misunderstood intellectual, and a Vietnamese-American third-wave feminist from Boston
Paul F. Tompkins as Mr. Peanutbutter an energetic, optimistic and cheerful yellow Labrador Retriever
Aaron Paul as Todd Chavez an unemployed, unintelligent but vastly talented 24-year-old human slacker
Adam Conover as A Ryan Seacrest Type
Keith Olbermann as Tom Jumbo-Grumbo
Diedrich Bader as Judah Mannowdog
Kristen Schaal as Sarah Lynn
Patton Oswalt as Pinky Penguin
Raphael Bob-Waksberg as Charley Witherspoon
Aparna Nancherla as Hollyhock
J.K. Simmons as Lenny Turtletaub
Stanley Tucci as Herb Kazzaz
Wendie Malick as Beatrice Horseman
Angela Bassett as Ana Spanikopita
Rami Malek as Flip McVicker
Stephanie Beatriz as Gina Cazador
Lake Bell as Katrina Peanutbutter
Maria Bamford as Kelsey Jannings
Kimiko Glenn as Stefani Stilton
Dave Segal as Blackmailer #2
Ben Schwartz as Rutabaga Rabitowitz
Mike Hollingsworth as Audience Member
Raúl Esparza as Ralph Stilton
Margo Martindale as Character Actress Margo Martindale
Cedric Yarbrough as Officer Meow-Meow Fuzzyface
James Adomian as Stuart
Kevin Bigley as Quentin Tarantulino
Abbi Jacobson as Emily
Lisa Kudrow as Wanda Pierce
LaKeith Stanfield as Guy
Julia Chan as Pickles Aplenty
Olivia Wilde as Charlotte Moore
Jean Villepique as Tracy
Rachel Bloom as Laura
Jessica Biel as Jessica Biel
Hong Chau as Pickles Aplenty
Fielding Edlow as Roxie
Kristin Chenoweth as Vanessa Gekko
Daniele Gaither as Biscuits Braxby
Echo Gillette as Maude
Phil LaMarr as Judge
Sam Richardson as Doctor Champ
Hilary Swank as Joey Pogo
Alan Arkin as J.D. Salinger
Paget Brewster as Paige Sinclair
Chris Cox as Tina
Andre Braugher as Woodchuck Coodchuck-Berkowitz
Kelen Coleman as Woodchuck's Advisor
Sharon Horgan as Courtney Portnoy
Brandon T. Jackson as Corduroy Jackson-Jackson
Keegan-Michael Key as Sebastian St. Clair
Nicole Sullivan as Fan Girl
Natalie Morales as Yolanda Buenaventura
Mara Wilson as Jill Pill
Constance Zimmer as Skinny Gina
Wyatt Cenac as Wayne
Ilana Glazer as Penny Carson
Will Choi as Pastiches Receptionist
Ed Helms as Kyle
Kate Berlant as Human Patron
Jaime Camil as Jorge Chavez
Max Greenfield as Maximillian Banks
Jake Johnson as Oxnard
'Weird Al' Yankovic as Captain Peanutbutter
Jeffrey Wright as Cuddlywhiskers
Geraldine Viswanathan as Tawnie
Caro Cappiello as Tawnie - Spanish VO
Matthew Broderick as Joseph Sugarman
Asif Ali
Christine Baranski as Amanda Hannity
Nicole Byer as Interviewee
Zach Braff as Famous Actor Zach Braff
Jermaine Fowler as Pete Repeat
Ken Jeong as Dr. Allen Hu
Jason Beghe as Jogger
Lana Condor as Casey McGarry
Fred Savage as Goober
John Cho as Lead Improv-er
Lorraine Bracco as Dr. Janet
Anjelica Huston as Angela Diaz
Stephen Colbert as Mr. Witherspoon
Baron Vaughn as Waiter
Nicholas Gonzalez as Cartel Man
Lin-Manuel Miranda as Crackerjack Sugarman
David S. Jung
Issa Rae as Dr. Indira
Marcia Gay Harden as Denise
John Krasinski as Secretariat
Philip Baker Hall as Hank Hippopopalous
Bobby Cannavale as Vance Waggoner
Jaime Pressly as Sadie
Emily Heller as Female Improv-er
Felicity Huffman as Felicity Huffman
Randall Park as American Tourist
Melissa Leo as Diane's Mother
Nicole Holofcener as Indie Filmmaker Nicole Holofcener
Phoebe Robinson as Dean Squooshyface
Rian Johnson as Bryan
Jaboukie Young-White
Audra McDonald as Mother Superior
Heléne Yorke as Additional Voices
Aisha Tyler as Sextina Aquafina
Jay Pharoah as Dashawn Manheim
Yvette Nicole Brown as Beyoncé
Khandi Alexander as Farmer's Wife
Lance Bass as Lance Bass
Caleb Bark as Actor #1
Jamie Clayton as Lady in Stall
Daveed Diggs as Cooper Thomas Rogers Wallace Sr.
Stephen Agyei as Ella's Father
Michael Barbaro as Diane's Ringtone
Larry Clarke
Matt Braunger as Deer
Terry Gross as Diane's Ringtone
Kristen Bell as Ruthie
Keith David as Lion Musician
Majandra Delfino as Henrietta Platchkey
Colman Domingo as Eddie
James Duval as Executive Grip
Whoopi Goldberg as Mikhaela
Brian Tyree Henry as Cooper Wallace Jr.
Joel Kim Booster as Maude's Ex-Boyfriend
Sonia Denis as Every Animal Girl Girl
Jon Daly as Additional Voices
Judy Greer as Pam
Chris Parnell as Klaus
Ron Funches as Gentle Farms Farmer
Lena Hall
Tatiana Maslany as Mia McKibbin
Adam Pally as Trip
Candice Bergen as The Closer
Patrick J. Carney as Jay Zebra
Emily Deschanel as Bones
Audie Cornish as Diane's Ringtone
Harvey Fierstein as iOvulate
Paul Giamatti as TV BoJack
Natasha Rothwell as Clemelia Bloodsworth
Gabe Kaplan as Abe Ziegler
John Leguizamo as Yolanda's Father
Kiersey Clemons as Jameson H.
Zehra Fazal as Demi Aplenty
Janeane Garofalo as Every Animal Girl Giraffe
Samantha Bee as Samantha Bee
David Chang
Jocelyn DeBoer
Chloe Dykstra as Helen Chavez
Maya Erskine as Ivy Tran
Horatio Sanz as Latin Kings Gang Leader
Chris Diamantopoulos as Matthew Fox
Lisa Hanawalt as Becca
Brian Huskey as Richard Nixon
Paul McCartney as Sir Paul McCartney
Peter Oldring
Dave Franco as Alexi Brosefino
Jorge Garcia as Jorge Garcia
Wiz Khalifa as Wiz Khalifa
Jonathan Lethem as Diane's Ringtone
Hannibal Buress as Miles
David Chase as David Chase
Tim Gunn as Tim Gunn
Jane Krakowski as Honey Sugarman
David Walton as Corbin Creamerman
Richard Lewis as Ziggy Abler
Laura Linney as Laura Linney
Eva Longoria as Yolanda's Mother
David Sedaris as Cutie Cutie Cupcake
Wanda Sykes as Mary-Beth
Cindy Crawford as Cindy Crawfish
Alexis Guerreros as Eduardo
Tone Bell
Ira Glass as Diane's Ringtone
Wallace Shawn as Wallace Shawn
Craig Kilborn as Michael Morgan
Daniel Radcliffe as Daniel Radcliffe
Sheila Vand as Todd's Phone
Ali Wong as Maddie
Greg Kinnear as Greg Kinglear
Jesse Novak as Bouncer
Ginger Gonzaga as Lead Worker Ant
Mark Feuerstein as Mark Feuerstein
VyVy Nguyen as Vietnamese Mother
Patti Harrison as Barbara
John Witherspoon as Franco Aplenty
Minae Noji as Ayako
June Diane Raphael as Casting Assistant
Rachael Harris as Cardigan Burke
Aja Naomi King as BoJack's Date
Henry Winkler as Henry Winkler
Carla Hall as Spaghetti Scientist Carla Hall
Natasha Leggero as Heather
Leonard Maltin as Leonard Maltin
Neil deGrasse Tyson as Planetarium Narrator
Marc Jacobs as Sharc Jacobs
Rob Morrow as Barry Scheck
Kathy Najimy as Marcie
Lee Daniels as Flea Daniels
Tom Kenny as Baseball Announcer #1
Phil Rosenthal as Danny Bananas
Rhyon Nicole Brown
Mike O'Malley as Artie
Kulap Vilaysack as Film Crew Assistant
Ricky Gervais as Hedgehog at Orphanage
Hannah Hooper
Amy Schumer as Irving Jannings
Elvis Mitchell as Host of Screening
Jay Mohr as Foggy St. Jerusalem
Russell Peters as Driver
Tessa Thompson as Taneisha
Rufus Wainwright as Drinking Bird
Vincent D'Onofrio as Vincent D'Onofrio
Grace Parra as Tamera
David Herman as Arnold Schwarzenegger
Emma Adele Galvin as Renata
Jay Hernandez as Jay Hernandez
Okieriete Onaodowan as Mike
Stephen Root as Ezekial Whitewhale
Fred Tatasciore as Additional Voices
Naomi Watts as Naomi Watts
Caroline Williams
Garry Marshall as Abe
Anna Deavere Smith as Betty Bruce
RuPaul as Queen Antonia
Gabourey Sidibe as Tamara
Robert Siegel as Diane's Ringtone
Sasheer Zamata as Jewelry Store Clerk
Peter Sagal as Diane's Ringtone
Isiah Whitlock Jr. as C.E.O.
Tim Meadows as Jameson's Dad
Chloë Grace Moretz as Chloë Grace Moretz
Joel McHale as Alex
Archie Panjabi as Tilda Madison
Cree Summer as Water Jug Girl
Jared Gertner
Sarah Koenig as Diane's Ringtone
Mircea Monroe as An Actress or Something
Patti LuPone as Mimi Stilton
Jeanne Tripplehorn as Joan Tripplehorn
Liev Schreiber as Copernicus
George Takei as Audiobook Narrator
Scott Wolf as Scott Wolf
Sir Mix A Lot as Sir Mix-a-Lot
Matthew Rhys as Justin Kenyon
Natalie Walker as Morgan
Ali Stroker
Christian Zucconi
Martin Short as Poppy Stilton
Maria Elena Heredia as Mary-Beth
The average duration of each episode is 25 minutes. Country of origin: United States.