The critically acclaimed German series How to Sell Drugs Online (Fast) returns for its fourth and final season, promising to deliver the most intense chapter yet in Moritz Zimmermann’s (Maximilian Mundt) chaotic journey through the dark web drug trade. After three seasons of escalating stakes, this finale will force Moritz and his crew to face the consequences of their actions as law enforcement closes in and rival dealers turn up the heat. With its signature blend of dark humor, high-stakes drama, and razor-sharp social commentary, Season 4 is set to conclude the story with explosive revelations and emotional farewells.
The entire main cast returns for this last ride, bringing their A-game to the series’ most ambitious season yet. From Moritz’s desperate attempts to control his crumbling empire to Lenny’s (Danilo Kamperidis) moral reckoning, each character’s arc reaches its breaking point in unexpected ways. New showrunner Anna Winger (Unorthodox, Transatlantic) brings fresh perspective to the final season while maintaining the show’s distinctive visual style and breakneck pacing that fans love.
How to Sell Drugs Online (Fast) Season 4: Actors List
1. Maximilian Mundt as Moritz Zimmermann
Maximilian Mundt delivers his most nuanced performance yet as the brilliant but increasingly unstable Moritz, whose drug empire now threatens to destroy everyone he loves. This season explores Moritz’s psychological unraveling as he battles paranoia, guilt, and the consequences of his own genius.
The actor reportedly worked with a behavioral psychologist to portray Moritz’s descent into desperation, particularly in scenes where his character’s trademark confidence gives way to raw panic. His final confrontation with Lenny is said to be one of the series’ most powerful moments.
2. Danilo Kamperidis as Lenny Sander
Danilo Kamperidis takes Lenny to shocking new places as Moritz’s former best friend turned reluctant adversary. Now working with authorities while struggling with addiction, Lenny’s moral ambiguity reaches its peak this season.
Kamperidis brings heartbreaking vulnerability to Lenny’s scenes, especially in moments where he must choose between self-preservation and loyalty. His physical transformation for the role (including dramatic weight loss) underscores the character’s harrowing journey.
3. Lena Klenke as Lisa Novak
Lena Klenke’s Lisa emerges as perhaps the season’s most surprising force, using her medical knowledge and street smarts to outmaneuver both criminals and police. The character’s evolution from naive girlfriend to criminal mastermind is completed in stunning fashion.
Klenke reportedly performed many of her own stunts this season, including an intense escape sequence set in a Berlin nightclub that required three weeks of choreography.
4. Damian Hardung as Daniel “Dan” Riffert
Damian Hardung’s Dan faces his toughest challenges yet as he attempts to go legit while being pulled back into Moritz’s orbit. The character’s internal conflict between his criminal past and hopeful future provides some of the season’s most poignant moments.
Hardung brings new depth to Dan, particularly in scenes where he must protect his younger brother from the life he’s trying to leave behind. His chemistry with Mundt remains electric, even as their characters’ relationship fractures.
5. Leonie Wesselow as Fritzi
Leonie Wesselow’s Fritzi takes center stage this season as she leverages her hacking skills for higher stakes than ever before. The character’s romantic tension with Moritz reaches a boiling point with game-changing consequences.
Wesselow brings both toughness and vulnerability to Fritzi’s most dramatic season yet, particularly in a heartbreaking episode that explores her family background and motivations.
6. Roland Riebeling as Jens Zimmermann
Roland Riebeling delivers his most powerful performance yet as Moritz’s father, whose discovery of his son’s activities leads to devastating confrontations. The Zimmermann family drama reaches Shakespearean levels this season.
Riebeling’s scenes with Mundt showcase incredible emotional range, especially in a brutal argument sequence filmed in one continuous 11-minute take.
7. Lena Urzendowsky as Kira “xKira7”
Lena Urzendowsky’s Kira returns with a vengeance, using her dark web notoriety to carve out her own criminal niche. The character’s unpredictable nature makes her both an ally and threat to Moritz’s operation.
Urzendowsky reportedly based Kira’s more unhinged moments this season on real-life hacker interviews, creating a terrifying yet fascinating antagonist.
8. Hadi Khanjanpour as Ahmet Güler
Hadi Khanjanpour’s Ahmet evolves from comic relief to legitimate threat this season as he gets drawn deeper into Berlin’s criminal underworld. His loyalty to Moritz is tested in shocking ways.
Khanjanpour brings surprising pathos to Ahmet’s journey, particularly in scenes where the character must confront the human cost of their operation.
