Pursuit to Algiers
After the King of Rovenia has been assassinated, Holmes and Watson are engaged to escort his son to Europe via Algiers, aboard a transatlantic ocean liner which also carries a number of suspicious persons, any of whom may be involved in a plot to also assassinate him.
| Actor | Role |
|---|---|
 Basil RathboneSherlock Holmes | Sherlock Holmes |
 Nigel BruceDoctor Watson | Doctor Watson |
 Marjorie RiordanSheila Woodbury | Sheila Woodbury |
 Rosalind IvanAgatha Dunham | Agatha Dunham |
 Morton LowrySteward | Steward |
 Leslie VincentNikolas Watson | Nikolas Watson |
 Martin KosleckMirko | Mirko |
 Rex EvansGregor | Gregor |
 John AbbottJodri | Jodri |
 Gerald HamerKingston | Kingston |
 William 'Wee Willie' DavisGubek | Gubek |
 Frederick WorlockPrime Minister | Prime Minister |
 Tom DillonMatthias Cherney (uncredited) | Matthias Cherney (uncredited) |
| JJames CarlisleAide (uncredited) | Aide (uncredited) |
 Olaf HyttenStimson (uncredited) | Stimson (uncredited) |
 Gordon JacksonSteward (uncredited) | Steward (uncredited) |