Oh… Rosalinda!!

A high-ranking Russian officer operating within the post-war Vienna backdrop. His presence underscores the cross-sector power dynamics shaping the guests and their schemes, even if the plot focuses more on other players. Col. Lebotov embodies a persona of authority amid a theater of international intrigue.

An American captain and Rosalinda's former lover who moves into the hotel next to her. He intends to take advantage of Eisenstein's absence but becomes entangled in the mistaken identity plot when caught with Rosalinda in Eisenstein's room. He becomes a reluctant participant in Falke's elaborate prank, offering a link between personal desire and political theater.

A powerful Soviet general who hosts a masked ball that anchors the farce. He presides over a social stage where rival loyalties blur and conspiracies mingle with flirtation. He allies with Falke to orchestrate the elaborate ruse that fuels the night's intrigues.

A black-market dealer who masterminds the masterful prank at the heart of the plot. He uses the masquerade as a stage to settle scores between friends and enemies, exploiting social masks to reveal human frailty. His scheme ties together Eisenstein, Orlovsky, Adele and Rosalinda in a web of deception.

Rosalinda's husband, a high-ranking officer who becomes the focus of the mistaken-identity scheme. He is incensed by the deception, yet his pride and bluster drive the tension as the truth unfolds. Ultimately, he confronts Rosalinda after a case of mistaken identity is revealed.

Eisenstein's wife and the romantic pivot of the plot. She capitalizes on flirtations and disguises, becoming the object of many guests' attention at the masked ball. Her interactions with Alfred and her watch scene drive the misunderstandings that fuel the farce.

Rosalinda's maid, who wears Rosalinda's gown at the ball and is spotted by Eisenstein. She threads through the action as a catalyst for the mistaken identities, toggling between service and high society masquerade. Her presence complicates the lovers' entanglements and helps escalate the comedy.

A British Major assigned to escort Eisenstein to jail after his misdeeds. He becomes a witness to the mistaken identity and an unwilling participant in the comedic unraveling, ultimately contributing to the revelation and reconciliation.