• 
  Jun Fukuyama

   Ichimatsu (1 episode, 2015)
• 
  Aya End

   Totoko (1 episode, 2015)
• 
  Kyle McCarley

  Ichimatsu
• 
  Ray Chase

  Karamatsu
• 
  Billy Kametz

  Osomatsu
• 
  Hiroshi Kamiya

   Choromatsu (1 episode, 2015)
• 
  Kenichi Suzumura

   Iyami (1 episode, 2015)
• 
  Nobuo Tobita

   Dayon (1 episode, 2015)

• 
  Miyu Irino

   Todomatsu (1 episode, 2015)
• 
  Daisuke Ono

   Jushimatsu (1 episode, 2015)
• 
  Yuichi Nakamura

   Karamatsu (1 episode, 2015)
• 
  Yoji Ueda

   Dekapan (1 episode, 2015)
• 
  Sachi Kokuryu

   Chibita (1 episode, 2015)
• 
  Momoko Saito

   Hatabo (1 episode, 2015)
• 
  Takahiro Sakurai

  Osomatsu

• 
  Tara Sands

  Additional Voices
• 
  Cherami Leigh

  Hatabou
• 
  Cassandra Morris

  Totoko
• 
  Michael Sinterniklaas

  Jyushimatsu
• 
  Keith Silverstein

  Iyami
• 
  Sean Chiplock

  Choromatsu
• 
  Max Mittelman

  Todomatsu
• 
  Alex Cazares

  Chibita