The comeback king cast has added several comedians, including Leanne Morgan, Kumail Nanjiani, and Chris Fleming. Kumail Nanjiani is also involved in other projects, including a production company with Emily Gordon that has a first-look deal at Sony TV. The comeback king project, which involves Judd Apatow and Glen Powell, may also include other comedians such as Atsuko Okatsuka, but details about the project and its cast are not fully clear.