to be added
- Henry Gordon Jago - Christopher Benjamin
- George Litefoot - Trevor Baxter
- Leela - Louise Jameson
- Ellie Higson - Lisa Bowerman
- Winnie O'Connor - Victoria Alcock
- Mr Kempston - Christopher Beeny
- Mr Hardwick - Mike Grady
- Boots - Alex Mallinson
- Professor Claudius Dark - Colin Baker
- Leela mentions the ravens at the Tower of London, though at first she believes that they are crows.
- Ellie has taught Leela how to pour drinks at the Red Tavern.
- Mr Kempston and Mr Hardwick's solicitors' firm is located at 24 Gilmore's Building on the Strand. Charing Cross Station is the nearest Tube station to their firm.
- In his younger days, Jago performed at the Glasgow Empire.
- Leela cannot read English.
- The ending of The Lonely Clock leads directly into The Hourglass Killers. The Age of Revolution places the latter in 1893, meaning The Lonely Clock must be set in that year as well.
- Jago refers to Abigail Woburn. (AUDIO: Jago in Love)
- Leela once again refers to members of the Metropolitan Police Service as "blue guards." (TV: The Talons of Weng-Chiang; AUDIO: The Renaissance Man, Energy of the Daleks, The Foe from the Future, Dead Men's Tales)
- Jago compares the time cracker to the Koh-i-Noor. (TV: Tooth and Claw)
- Professor Claudius Dark tells that Jago that he almost died on the stage of the Palace Theatre several times. (TV: The Talons of Weng-Chiang)
- Leela mentions the Test of the Horda. (TV: The Face of Evil)