Both the opening theme “Even…if” and ending theme “yes” for the TV anime “Full Metal Panic! IV Invisible Victory” will be performed by Tamaru Yamada. Airs April (Xebec)

STAFF

• Director: Katsuichi Nakayama
  
• Script, Series Composition: Shoji Gatoh
  
• Character Designer, Chief Animation Director: Osamu Horiuchi, Ayano Yamamoto
  
• Mechanical Director: Masanori Nishii 
  
• Mechanical Animation Director: Yu Kato 
  
• Small-Arms Designer, Animation Director: Takeshi Yoshioka 
  
• Mechanical Designer: Kanetake Ebikawa, Toshiaki Ihara
  
• Set Designer: Takayuki Yanase
  
• Prop Designer, Mechanical Animation Director: Takuya Matsumura
  
• CG Director: Shousuke Uechi 
  
• Color Key: Chiaki Kitabayashi 
  
• Special Effects: Shin Inoie
  
• OP Theme: Tamaru Yamada
  
• ED Theme: Tamaru Yamada
  
• Animation Production: Xebec
  

CAST

• Tomokazu Sugita
  
• Masaki Terasoma
  
• Marina Inoue
  
• Aya Uchida
  
• Minori Chihara
  
• Kenjiro Tsuda
  
• Tesshou Genda
  
• Sho Hayami
  
• Kappei Yamaguchi

Source: http://fullmeta-iv.com/