Following the destruction of a WASP submarine, Troy and Phones are sent to investigate. They are soon captured by an enemy submarine in the form of a gigantic fish, which takes them to the underwater city Titanica. There, they meet Titan for the first time.
Name | Type | Role | |
---|---|---|---|
Sylvia Anderson | Writer | ||
Gerry Anderson | Writer | ||
Don Mason | Guest Star | ||
Ray Barrett | Guest Star | ||
Robert Easton | Guest Star | ||
Alan Pattillo | Director |