Suggestions by @onceleress

Ty Burrell

as Ralph in Bojack Horseman

Usain Bolt

as Secreteriat in Bojack Horseman

Patton Oswalt

as Pinky Penguin in Bojack Horseman

Samara Weaving

as Young Bea in Bojack Horseman

Leslie Mann

as Charlotte in Bojack Horseman

Hunter Schafer

as Penny in Bojack Horseman

Sydney Sweeney

as Pickles in Bojack Horseman

Salma Hayek Pinault

as Gina in Bojack Horseman

Jeremy Irons

as Joseph in Bojack Horseman

Lana Del Rey

as Honey in Bojack Horseman

Greta Gerwig

as Kelsey in Bojack Horseman

Maude Apatow

as Maude in Bojack Horseman

Awkwafina

as Sextina Aquafina in Bojack Horseman

Bill Skarsgård

as Crackerjack in Bojack Horseman

Ricky Gervais

as Herb in Bojack Horseman

Jared Leto

as Judah in Bojack Horseman

Lisa Kudrow

as Wanda in Bojack Horseman

Denzel Washington

as Butterscotch in Bojack Horseman

Jessica Sula

as Hollyhock in Bojack Horseman

Sarah Hyland

as Henrietta in Bojack Horseman