Here's a list of the Honkai Star Rail characters revealed:
Five star:
Bailu, Blade, Bronya, Clara, Fu Xuan, Gepard, Himeko, Jing Yuan, Kafka, Luocha, Seele, Silver Wolf, Welt, Yanqing
Four star:
Arlan, Asta, Dan Heng, Herta, Hook, March 7th, Natasha, Pela, Qingque, Sampo, Serval, Sushang, Tingyun
Bailu
Bailu is a healer from the Alchemy Commission and part of the Vidyadhara race. She carries around sweets to help with the bitter taste of medicine for her patients, but to also lift herself up when spirits are low. Bailu's Skill and Ultimate abilities heal members of her party.Path: The Abundance
Blade
The real name of this Stellaron Hunter is unknown. He wields an ancient weapon filled with cracks, and is able to land the first attack in a battle using his Technique. This consumes HP but deals damage to all enemies.
Bronya
The commander of the Silvermane Guards, Bronya is the heir to the Supreme Guardian of Belobog. She's a Wind character whose Ultimate increases all allies attack damage and critical damage. Since childhood she has had it instilled in her that to continue Belobog's civilisation the Underworld must be sacrificed. But Bronya has always been skeptical.
Clara
A shy young girl that has no home, Clara longs to have a family. She's accompanied by a huge robot called Svarog who she accidentally reactivated. Her Ultimate attack ensures Svarog, who usually shields Clara from attacks in battle, counter-attacks when allies are hit by enemies.
Fu Xuan
Fu Xuan is the head of the Divination Commission for Xianzhou Luofu. She's a confident, blunt sage who is capable of predicting the future.
Gepard
The captain of the Silvermane Guards, Gepard helps protect the peace of everyday life in Belobog. In battle he is able to draw attacks from enemies to help protect the rest of the party.
Himeko
Himeko is a scientist with a taste for adventure. She first came across the Astral Express as a child when it got stranded on her home planet, and then years later helped repair it.
Jing Yuan
Jing Yuan is one of six generals of the Xianzhou Alliance and leads the Cloud Knights of the Xianzhou Luofu. A Lightning character, his Ultimate attack summons his partner in battle Lightning Lord and deals damage to all enemies. Nicknamed the 'Dozing General', he is a Xianzhou native - and Xianzhou people have long life spans after their ancestors searched for the key to immortality.
Kafka
Kafka is a Stellaron Hunter on the Interastral Peace Corporation's most wanted list. A Lightning character, she appears in the Honkai Star Rail opening cinematic. HoYoverse has confirmed Stellaron Hunters are pivotal to the Honkai Star Rail storyline.
Luocha
Luocha is a foreign trader who appeared in Xianzhou carrying a huge coffin. He has extraordinary individual healing abilities, but unlike other healer characters his healing effect is based on his attacking prowess.
Seele
Seele is a key member of Wildfire who grew up in the harsh Underworld of Belobog. A Quantum character, she can deal high amounts of damage to a single target within a short space of time. Her Ultimate allows for multiple attacks if you get the timing right. She may seem straightforward and direct but that's just her outer shell trying to protect her. Those who earn Seele's trust will find she's a sensitive and delicate soul.
Silver Wolf
Silver Wolf is a genius hacker and member of the Stellaron Hunters. She's mastered a skill known as aether editing which allows her to tamper with reality. Her Ultimate attack draws enemies into her game world and inflicts damage on them.
Welt
Welt is a former Anti-Entropy Sovereign who has saved the world from annihilation many times. His Ultimate attack deals damage to all enemies and causes Imprisonment. This helps slow down the enemy so you can gain the upper hand in battle.
Yanqing
Yanqing is the strongest swordsman on the Xianzhou Luofu. This Ice character is obsessed with swordplay, and his Skill allows him to remotely control his sword. His Ultimate increases his critical rate.
Arlan
Arlan is the head of Herta Space Station's Security Department. He's willing to lay down his life to protect the station's staff. Arlan rarely lets down his guard, apart from when holding his beloved pup Peppy.
Asta
Asta is the lead researcher of the Herta Space Station. She manages it under assignment from Herta.
Dan Heng
He may not talk much, but that's because he's calmly observing what's happening around him, constantly thinking of strategies and plans. He also helps keep March 7th grounded and is a reliable friend to her. If you run into any troubles, it may be a good idea to ask Dan Heng for his advice.
Herta
Herta is the real master of Herta Space Station. She's the human with the highest IQ in The Blue and only does what she's interested in.
Hook
Hook is the boss of The Moles adventure squad. If you manage to impress this feisty character with your adventures maybe she'll invite you to join The Moles.
March 7th
This Ice character is called March 7th to commemorate the date she woke up on the Astral Express. She woke on the ship with no memory of her name, who she is, or her past. Despite this tragic back story, she has a cheerful, whimsical and lively personality that brings great joy to the characters in Honkai Star Rail.
Natasha
Natasha is a kind-hearted doctor who works in the Belobog Underworld, where medical resources are scarce.
Pela
Pela is an Intelligence Officer with the Silvermane Guards. She also plays the drums.
Qingque
Qingque is a Quantum character that follows the path of Erudition. Her attacks involve her using jade tiles similar to mahjong tiles.
Sampo
A charmer who loves money, Sampo says he's a businessman, chaperon, and problem-solving conversationalist all rolled into one.
Serval
A mechanic in Belobog, Serval is also a member of a band with other Honkai Star Rail characters.
Sushang
A newcomer to the Cloud Knights who wields a Greatsword, Sushang spends her days helping out other people.
Tingyun
This persuasive head of a merchant's guild has a way with words which leaves her audiences captivated. She is a Foxian, one of three races you'll find in Xianzhou.