Drake must free a captured British spymaster before he sellls his secrets.
| Name | Type | Role | |
|---|---|---|---|
| Ralph Smart | Writer | ||
| Donald Jonson | Writer | ||
| Brian Worth | Guest Star | ||
| Ken Barker | Guest Star | ||
| Simon Brent | Guest Star | ||
| Jane Merrow | Guest Star | ||
| Frank Gatliff | Guest Star | ||
| Norman Rodway | Guest Star | ||
| Mike Pratt | Guest Star | ||
| Ralph Michael | Guest Star | ||
| Roy Marsden | Guest Star | ||
| Michael Truman | Director |