• 
  Tony Oliver

   Hap / ... (32 episodes, 2005-2006)
• 
  Mayumi Asano

   Hilda (30 episodes, 2005-2006)
• 
  Johnny Yong Bosch

  Renton Thurston
• 
  Steve Staley

   Moondoggie / ... (22 episodes, 2005-2006)
• 
  Crispin Freeman

  Holland Novak
• 
  Keiji Fujiwara

  Holland Novak
• 
  Megan Hollingshead

   Hilda / ... (24 episodes, 2005-2006)
• 
  Doug Stone

   Stoner / ... (26 episodes, 2005-2006)

• 
  Dave Mallow

   Jobs / ... (36 episodes, 2005-2006)
• 
  Yasunori Matsumoto

   Stoner (33 episodes, 2005-2006)
• 
  Mary Elizabeth McGlynn

   Mischa / ... (29 episodes, 2005-2006)
• 
  Yûichi Nagashima

   Woz (27 episodes, 2005-2006)
• 
  Michiko Neya

   Talho Yuki / ... (48 episodes, 2005-2006)
• 
  Peggy O'Neal

   Maeter / ... (28 episodes, 2005-2006)
• 
  Tamio Ôki

   Ken-Goh / ... (28 episodes, 2005-2006)

• 
  Yoko Soumi

   Mischa (28 episodes, 2005-2006)
• 
  Jessica Straus

   Gidget (25 episodes, 2005-2006)
• 
  Kim Strauss

  Dewey Novak
• 
  Kirk Thornton

  Matthieu
• 
  Kôji Tsujitani

  Dewey Novak
• 
  Peter Doyle

  Dominic Sorel
• 
  Dave Wittenberg

   Woz / ... (24 episodes, 2005-2006)
• 
  Kaori Nazuka

  Eureka
• 
  Stephanie Sheh

  Eureka
• 
  Mamoru Miyano

   Moondoggie (28 episodes, 2005-2006)
• 
  Kate Higgins

   Talho Yuki / ... (50 episodes, 2005-2006)
• 
  Fumie Mizusawa

   Gidget / ... (44 episodes, 2005-2006)
• 
  Shigenori Yamazaki

  Dominic Sorel
• 
  Taro Yamaguchi

   Hap (40 episodes, 2005-2006)
• 
  Akio Nakamura

  Matthieu
• 
  Eriko Kigawa

   Maeter / ... (44 episodes, 2005-2006)
• 
  Yûko Sanpei

  Renton Thurston
• 
  Catherine Fu

  50 episodes, 2005-2006