The Chief of General Staff who advocates a major offensive to the North against Legadonia after their border violation. He had high expectations for both Rudersdorf and Zettour under him and was disappointed by their opposing opinion to limit themselves to internal mobilization. He was a driven leader who strived to gain more for the sake of solving their country's geopolitical situation even at the risk of jeopardizing their national defense strategy.
After the Republic's declaration of war it was mentioned that there was a major re-organization within general staff, and those who were responsible in supporting a major offensive in Norden were replaced. It is not known if he was dismissed or demoted from his position. However, it's implied he is one among many that have to take responsibility for this mishap.
The commander of the Northern Army Group, one of the highest ranked and named characters from the Imperial Army shown in the series. He appeared during the meeting to decide on the winter operation against Legadonia. While he shared the same sentiment as his subordinates, he wasn't as outspoken and emotional as Lieutenant General von Schreise. He showed a degree of respect for Tanya by expressing his approval for Tanya's concern, and he restrained himself even though he was displeased by Tanya's refusal.
A volunteer mage who just graduated from Cadet Corps and was sent to the Rhine as part of the reinforcements from Central. He was a member of the third platoon in the 205th Mage Company under Tanya Degurechaff. Enlisting to the Imperial Army as a volunteer, he and Harald were used to being treated more favorably by superior officers according to Vicktoriya Ivanovna Serebyakov. Subsequently, he was displeased by Tanya's admonishment that, being volunteers, they had to work harder than their conscripted comrade, which lead to his rebellious behavior against her. In the Light Novel and Manga, he was assigned to the rear and killed in an artillery assault. However, Tanya didn't plot for his demise.
In the anime, his role is expanded as it was implied that he had been under Tanya's leadership for quite some time instead of a brief period in the original source. His character was depicted as a patriotic yet immature and impulsive rookie who thirsted to contribute for his country. In his partnership with Harald von Vist, he seemed to be the more outspoken and dominant one, as it could be seen when his partner followed his reckless charge against Tanya's order.
He talked back against Tanya on his dismissal due to his insubordination, arguing he did so for their country. This earned her ire and lead to re-assignment to a pillbox that resulted in his demise.
An Imperial Mage hailing from the volunteer wing who graduated from the same year as Visha and Kurst. He was a member of the third platoon in the 205th Mage Company under Tanya Degurechaff. Displeased by his superior's warning to contribute for their country, he and Kurst showed rebellious behavior towards Tanya. Subsequently, he was re-assigned to the rear in a pillbox leading to his death under artillery fire.
His role is expanded upon in the first episode of the anime. Harald is portrayed as a like minded comrade of Kurst who seemingly followed his lead and opinion. He joined Kurst in attacking Republican artillery against Tanya's order and supported Kurst arguing against Tanya's decision. He was assigned to the rear and killed due to Tanya's plotting.
A military officer served in Norden. During the time Tanya was as a cadet in OCS, her performance in the conflict zone had caught the eye of Brigadier General Walkopf, who then recommended for her enrollment into the War College. However, it was rejected by Rerugen for her age and lack of war merit. Walkopf and the Intelligence Bureau also once recommended her for the 2nd Class Iron Cross award.
He is a noble and the Captain of Battleship Basel, which is a Bayern-class super dreadnought battleship. He took part in the battle of the Osfjord, ordering Battleship Basel to provide shore bombardment and help marine corps landing. During next mission, his ship chased the Legadonian fleet yet failed to catch them. Later, his ship joined a naval exercise with 203rd Mage Battalion. He has good impression of Tanya.
The commander of the 228th Reconnaissance Mage Company who was also the first Republican mage unit that came in contact with Tanya Degurechaff in the Rhine. He first encountered Tanya during his mission to isolate the Empire's force and assumed that she was a vulnerable and isolated mage. His unit fell to her ruse and, after a one sided battle, decided to escape the airspace.
He is the Republican mage who registered Tanya as a dangerous named starting her notorious reputation as The Devil of The Rhine. He was listed as missing by the Imperial Army post-battle, but it was said his injury should've been severe enough that it was doubtful he made it back to the Republican base.
He is the Foreign Affairs Councilor of Ten councilors of state, taking the office after the Norden Incident. He was secretly sent to United Kingdom to establish a government in exile. However, the mission failed when the submarine Lytol he took was neutralized by 203rd Aerial Mage Battalion. Eventually, he was eliminated by an UK agent before getting arrested by the enemy.