SPY x FAMILY Season 3 revealed that the rock band SPITZ will be performing the opening theme song. The video for the opening theme song was also released.

WIT Studio and CloverWorks are returning to animate the series, slated to premiere on October 4. Lilas Ikuta is performing the ending theme song “Actor,” and the cast includes:

• Takuya Eguchi as Loid Forger
• Atsumi Tanezaki as Anya Forger
• Saori Hayami as Yor Forger
• Kenichiro Matsuda as Bond Forger / Narrator
• Hiroyuki Yoshino as Franky Franklin
• Yuko Kaida as Sylvia Sherwood
• Kazuhiro Yamaji as Henry Henderson
• Kensho Ono as Yuri Briar
• Natsumi Fujiwara as Damian Desmond
• Emiri Kato as Becky Blackbell
• Ayane Sakura as Fiona Frost

The anime’s synopsis:
World peace is at stake and secret agent (aka Loid Forger) must undergo his most difficult mission yet—pretend to be a family man. Posing as a loving husband and father, he’ll infiltrate an escol school to get close to a high-profile politician. He has the perfect cover, except his wife’s a deadly assassin and neither knows each other’s identity. But someone does, his adopted daughter who’s a telepath.

Source: SPY x FAMILY Official X
© Tatsuya Endo, Shueisha / Spy x Family Project