Elenco de Undeclared War

• Danny Lee (I) Inspector Bong
• Olivia Hussey Rebecca Eche
• Peter Liapis Agent Gary Redner
• Andrzej Szenajch
• Chan Tat Kwong
• David Hedison US Ambassador
• Dean Harrington Callahan
• Ewa Wisniewska
• Jameson Wa-Fan Lam
• Jonathan Isgar Iam
• Kuo Ming Sun
• Kwok-kin Ng
• Kwong Leung Wong Inspector L.T. Tang
• Louis Roth Alexander Vladovich
• Mark King (I) Simon
• Mars (I) Tiger (as Fo Sing)
• Rosamund Kwan Ann Chang
• Stuart Smith Colin (as Stuart Onslow Smith)
• Vernon Wells Hannibal (as Vernon G. Wells)
• Victor Hon Diem
• Vincent Lyn