Leslie H. Martinson
Lorenzo Semple Jr. (screenplay), Larry Forrester (unfinished novel)
Raquel Welch as Fathom Harvill, Anthony Franciosa as Peter Merriwether, Ronald Fraser as Colonel Campbell, Richard Briers as Lt. Timothy Webb, Clive Revill as Sergi Serapkin
Fathom is a member of an American skydiving competition group in Europe for a tournament when she is pressured by a British agent to help stop an Armenian smuggler from helping the Chinese move a valuable, possibly weapon-related object. An American operative is also after it and may want to help or kill Fathom.