Just like the actual Hollywood,
BoJack Horseman's fictional Hollywoo industry is filled with many famous actors, musicians, and reality TV personalities. All the famous guest stars on have definitely taken the series to a new echelon of show business parody. The fourth season of the animated comedy series is currently streaming on Netflix, and expertly balances BoJack's star-studded Hollywoo world with storylines exploring his family's heartbreaking backstory. BoJack Horseman Season 4 BoJack Horseman's regular voice cast is filled with big names, such as Will Arnett (BoJack), Amy Sedaris (Princess Carolyn), Alison Brie (Diane), and Aaron Paul (Todd). Season 4 boasts an impressive roster of celebrity guest stars, including Jessica Biel, Felicity Huffman, Lake Bell, and so many more. They've either lent their voices to fictional characters in Hollywoo (and beyond) or have played themselves as their animated counterparts interact with BoJack and his crew.
Throughout its four seasons,
hasn't pulled any punches — but the celebs don't seem to mind, according to a Slashfilm interview with showrunner Raphael Bob-Waksberg. "No one that I know of yet has really been upset by what we’ve said," he told the publication. "Most celebrities probably have good senses of humor about themselves." BoJack Horseman's sharp jokes and Hollywoo(d) satire BoJack Horseman Season 4 features a long list of celeb guest stars and cameos, and they're listed below in no particular order. Here's who you heard: Kevin Winter/Getty Images Entertainment/Getty Images
The Broadway actor and composer makes a surprise appearance in Season 4 as Crackerjack Sugarman, Beatrice's brother (and therefore, BoJack's great uncle). He shows up in flashbacks in the episode "That Old Sugarman Place." The family says goodbye to him as he leaves to fight in World War II — a moment that would set off a series of heartbreaking events for the Sugarman family.
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The actor guest stars on the series as himself at a campaign fundraiser and introduces himself to
everyone. VALERIE MACON/AFP/Getty Images
In the episode "The Judge," the actor plays herself in a hilarious way: as host of the "empowering" reality TV series
Felicity Huffman's Booty Academy: Los Angeles, better known as F.H.B.A. Mike Pont/Getty Images Entertainment/Getty Images
In the Hollywoo world of
BoJack Horseman, the actor is one of Mr. Peanutbutter's ex-wives. She has a lot of hilarious moments, including running for California governor and the moment when she tries to describe her new fragrance Bielist (or is it B-List?).
Bob-Waksberg told Slashfilm in the aforementioned interview that Biel was game for all their jokes — no matter how scathing. "She asked us to go meaner because she felt like we were pulling punches," he told the publication. "She said, 'I want you to get the writers in the room and really go to town on me.' So we did."
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The actor reprises her role as Mr. Peanutbutter's ex-wife Katrina, who manages his short-lived campaign to run for governor.
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Project Runway mentor shows up in the episode "Hooray! Todd Episode!" Gunn attends a Sharc Jacobs fashion show (get it?) when Todd stumbles in and inadvertently inspires a new fashion trend that becomes a running gag throughout the rest of the season. "He's so normal," he says, describing Todd. Rich Polk/Getty Images Entertainment/Getty Images
Throughout the season, the actor lends her voice to Beatrice Sugarman, BoJack's mother. Malick portrays Beatrice at many stages of her life: as a child, a rebellious teen, and a senior citizen suffering from dementia. She and Beatrice take center stage in the heartbreaking episode "Time's Arrow."
In the episode "Commence Fracking," Fierstein plays one of the most unique characters in the series. He voices iOvulate, the fertility alert watch that Princess Carolyn wears. "Hello, I'm Harvey Fierstein. Let's put a baby in you," he tells Princess Carolyn as the watch's talking uterus.
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The musician is one of the judges on
F.H.B.A.: LA along with Huffman. He tells BoJack that he was chosen as a judge, because it's well-known that "he cannot lie." Kris Connor/Getty Images Entertainment/Getty Images
The actor takes on the role of BoJack in the TV movie version of Sarah Lynn's death,
American Dead Girl: The Sarah Lynn Story. Cindy Ord/Getty Images Entertainment/Getty Images The Sopranos creator makes a cameo as himself. In Hollywoo, Chase created the sitcom Mr. Peanutbutter's House with Steven Bocho before hitting it big on HBO.
The "Created By David Chase and Steven Bocho" credit was a joke in a Season 1 episode and the creators decided to expand the gag to a flashback in Season 4. "So then when it was time to show the flashback to it, we were like, 'Do you think we could get David Chase or Steven Bochco?'"Bob-Waksberg told Slashfilm
. "David Chase was like, 'Yeah, I’ll do it.'" Nicholas Hunt/Getty Images Entertainment/Getty Images
Unbreakable Kimmy Schmidt actor voices Honey Sugarman, Beatrice's mother and BoJack's grandmother. Frederick M. Brown/Getty Images Entertainment/Getty Images
Brooklyn Nine-Nine actor guest stars as Woodchuck Coodchuck-Berkowitz, the current California governor. At the start of Season 4, Mr. Peanutbutter plans to run against him for governor. Michael Kovac/Getty Images Entertainment/Getty Images
The actor appears as himself as the original star of
Untitled Horsin' Around Knockoff. “This D’Onofrio has had enough-frio!” he says. Rich Polk/Getty Images Entertainment/Getty Images
The actor voiced Joseph Sugarman, Beatrice's dad, who has very old-fashioned views about the world — and ice cream.
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The actor and playwright plays Eddie, a Michigan fly who refuses to take flight because he's mourning his wife.
Rich Polk/Getty Images Entertainment/Getty Images
David lends his voice to a lion musician in Season 4.
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In the episode "Commence Fracking," the actor plays Marcie, the former president of BoJack's fan club. The character is still very much obsessed with the '90s sitcom star and pretends to be Hollyhock's mother.
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The Emmy winner lends her voice to Tilda Madison, the TV personality in the fictional series
Timedium. BoJack suspects that she could be Hollyhock's mother and they visit her. Bryan Bedder/Getty Images Entertainment/Getty Images
In the episode "Underground," RuPaul voices Queen Antonia, the No. 1 ant living underneath Mr. Peanutbutter and Diane's house. Todd and Princess Carolyn try to help out the ant army get what they need.
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The comedian plays Miles, an
F.H.B.A: LA intern in the episode "The Judge." Hollyhock dates Miles, but BoJack thinks Miles is using Hollyhock. Cindy Ord/Getty Images Entertainment/Getty Images
The legendary actor voices Ralph's mom Mimi Stilton, when Ralph takes Princess Carolyn to meet his parents for the mouse holiday Feast Of St. Squeaky.
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The comedian plays Poppy Stilton, Ralph's father in the episode "The Judge." The Stilton family isn't particularly fond of cats, which is bad news for Princess Carolyn.
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The actor narrates the episode "Ruthie" as, well, Ruthie — Princess Carolyn's great-great-great grand daughter in the year 2121. She gives a presentation to her class (which has robots) about Princess Carolyn.
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The actor plays Yolanda Buenaventura, who is a Better Business Bureau employee who bonds with Todd.
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Mr. Robot actor plays Flip McVicker, a writer/waiter who meets with Princess Carolyn and doesn't trust e-mail. She connects to the script due to its title. Drew Angerer/Getty Images News/Getty Images
The fashion icon makes a cameo as his shark counterpart, Sharc Jacobs, in the episode "Hey! Todd Episode!"
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The news anchor voices Tom Jumbo-Grumbo, the blue whale news anchor of MSNBSea.
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In Season 4, the recurring joke of Diane's NPR-theme ringtones features the voices of
hosts Robert Siegel and Audie Cornish. "The proposed bill would take effect when someone tries to call you, and you hear this ringtone," Diane's phone says. All Things Considered
There are so many guest stars and hidden jokes in
BoJack Horseman Season 4 that it's hard to catch them all on the first go-round. Luckily, you can keep rewatching and spot them all on Netflix before Season 5 premieres.