S04E06-Lukas Muller head shot

Lukas Muller Elementary intertitle Interpol Agent

Character Information
Status: Alive
Actor: Edoardo Ballerini
First Appearance: "The Cost of Doing Business"
Episode Count: 2

I'm sorry Morland. I'm very sorry.
— Muller, "The Cost of Doing Business".

Lukas Muller is an Interpol Agent who assists Morland Holmes without his superior's knowledge.


Season Four

Muller secretly provides Morland with critical information. This allows Sherlock Holmes to identify the hirer of a sniper, a partner of Dynastic Energy. Morland has an ulterior motive as he wanted the partner removed. Agent Muller flies to NYC and blackmails Morland to which he responds with a threat that terrifies Muller and sends him away apologizing. ("The Cost of Doing Business") Sherlock tries calling Muller to find out more about the attempt on Morland's life but Muller won't return his calls. When Muller visits NYC, Sherlock surprises him in his hotel elevator and is puzzled when Muller won't tell him anything and is scared of Sherlock. ("Alma Matters")

S04E06-Muller on screen
Nobody here at Interpol knows what I've done.

S04E10-Muller Holmes
Please leave me alone.

Elementary intertitle Elementary Characters
Main Characters
Sherlock HolmesJoan WatsonCaptain Thomas GregsonDetective Marcus Bell
Recurring Characters
AlistairAthena and MinervaGeneral AlveroHenry BaskervilleJonathan BloomRoy BookerAgent BurkeClydeGina CortesFrank Da SilvaDuaneEveryoneAgent GephardtDr. GrannisChristopher GrayDel GrunerDetective GuzmanHalconEmily HankinsDr. Eugene HawesFiona HelbronWilliam HullShinwell JohnsonEmil KurtzGareth LestradeAlfredo LlamosaAgent MallickMarchefElana MarchMargaretAgent McNallyMidnight RangerChantal MilnerAndrew MittalSanthosh MittalSebastian MoranJamie MoriartyAgent MullerIsaac ProctorRandyOscar RankinCandace ReedMichael RowanTim SherringtonTall BoyJoshua ViknerSir James WalterAgent WhitlockTyus WilcoxKitty Winter
The Irregulars
Mr. BriggsC.Harland EmpleGayMs. HudsonLucMasonThe NosePhil SimmsAgatha SpurrellTeddy
Andre BellPaige CowanCheryl GregsonHannah GregsonMay HolmesMorland HolmesMycroft HolmesEstella LlamosaHenry WatsonMary WatsonOren WatsonLin Wen
Minor Characters
The ActuaryJack BrunelleLucas BundschCassieWade CrewesKathryn DrummondHoward EnnisMistress FeliciaZoya HashemiRhys KinlanRuslan KrasnovIris LanzerGwen and Olivia LynchNigella MasonTy MorstanPamRemusRomulusJennifer SaylesShauna ScottHeather VanowenCassandra Walker