Komm, süßer Tod is an Austrian dark-comedy mystery thriller movie directed by acclaimed filmmaker Wolfgang Murnberger. The gripping yet comedic script was penned by Josef Hader and Wolf Haas. Released in 2000, the film features a compelling ensemble cast that includes Josef Hader, Simon Schwarz, Barbara Rudnik, Michael Schönborn, and Bernd Michael Lade.

In the lead role, we have Josef Hader, who plays the character of Brenner, a former police officer with a sardonic wit and an air of casual indifference. Hader brings a unique blend of comedy and grit to the character, captivating audiences with his engrossing performance. After losing his job with the Viennese police force due to an incident instigated by the antagonist, played brilliantly by Michael Schönborn, Brenner ends up working for a private ambulance service.

The film delves into a world of rivalry and competition between ambulance services, primarily focusing on Brenner's life in this unpredictable and chaotic environment. He navigates this milieu with begrudging indifference until a series of suspicious deaths start occurring linked to his ambulance service, pushing him to investigate.

Simon Schwarz plays the role of Berti, Brenner's colleague and unlikely partner in this twisted mystery. Schwarz's portrayal of Berti represents the diversity of characters present in this intricate tale, as the tension mounts, their conjunction in trying to untangle the murders provides for compelling viewing.

Barbara Rudnik delivers a memorable performance as Klara, an enigmatic nurse with a slightly neurotic temperament that adds layers of intrigue to the narrative. Rudnik deftly balances the delicate emotional undercurrents of her character, seamlessly conveying Klara's feelings of anxiety and mistrust against the backdrop of unfolding mysteries.

At its core, Komm süßer Tod, which is translated as "Come, Sweet Death" is a darkly comedic exploration of a disenfranchised man's inadvertent plunge into a dangerous world of whodunits against the sordid backdrop of ambulance corps rivalries. The movie's title offers an apt reflection on the dark-veiled humor melded with existential contemplation that defines the film's tone.

The film is set in the heart of Vienna, making deliberate use of its distinctive cityscape and peculiar blend of gritty urbanism and historical charm. The city itself stands as a silent character of the movie, significantly contributing to its unique charm and aura.

Director Wolfgang Murnberger's stellar direction adds depth to this emblematic Viennese tale, with the integration of suspense, humor, and drama in a uniquely gripping way. He creates a thrilling ride that takes the audience through intense phases of whodunit mystery and huge bouts of laughter. At the same time, he subtly unveils the characters' inherent human flaws, giving them depth and relatability.

Josef Hader and Wolf Haas' exceptional screenplay deserves a special mention. The narrative is an impressive juxtaposition of detective tropes with cynical humor executed by flawed yet highly engaging characters. It maintains a balance between suspense and levity, offering audiences a dark and comedic mystery riddled movie with a strong vein of Viennese culture running throughout. The nuanced performances, combined with the witty dialogue and somber undertones, create a rich, multilayered viewing experience that stays with the audience long after the credits roll.

In essence, Komm, süßer Tod is a deftly crafted black comedy thriller that is at once, a gripping mystery, character study, and a darkly humorous depiction of life. With its compelling performances, sharp, humorous script, and overall style, the film leaves a striking impression. It's more than a typical detective thriller — it's a deep dive into the idiosyncrasies of human behavior, cloaked in a cloak of dark humor and set in the peculiar world of ambulance rivalry. This film is a must-watch for anyone who enjoys their thrillers mixed with a hearty dose of satire and a touch of existential contemplation.