Captain Amanda Cohen
was the Captain for the entire second season of FK. She was a bit more stand offish with her fellow officers than Stonetree but she did have her insightful and caring moments. Cohen was the one in command of the 96th precinct where Nick and Schanke were transfered too for the second and third seasons until a plane crash killed both she and Schanke in the first show of the second season.

Captain Joe Reese
He was assigned as the Captain for the 96th precinct after the death of Capt. Cohen. He described his position as captain as his big break in the force. He's a big hockey fan and is often perplexed with Nick and Tracy's actions on the job.

Divia
This is the girl that started it all in a sense as she was the one who brought her father Lacroix across during the destruction of Pompeii. She is the epitomy of evil and tends to reek havoc wherever she goes. She killed her creator a big vampire no no, and later tried to seduce her own father Lacroix as well as kill him. Though only appearing in two episodes she made her presense felt in a big way on the show.

Screed
He is the vampire buddy of Vachon. He prefers rat blood to other kinds, although he has been known to go for human blood on occasion. He was a sailor in life before he was brought across. He is both good natured and good humoured and can mostly be found underground in search of rats. He was the first vampire to die in the episode Fever when an AIDS like virus that is deadly to the undead began it's run through the community.

Urs
She is the beautiful nineteenth century chanteusse. Hailing from New Orleans, she was brought across by Vachon. She was brought up by an abusive father and it is believed that she and Lacroix may have been lovers at one time. Humourous and tortured by her past she was a great addition to the undead community until her untimely death at the hand of the evil Divia.

Milkos
He is the bartender at the Raven and feircely protective of Janette and his other vampire coworkers. He makes his appearance in several episodes in the background.

Grace Balthazar
She is the mortal patholigist assistant to Natalie Lambert at the Toronto Coroner's office. She appears in several episodes as a supporting character at the morgue scenes and is apparently also a close friend of Natalie's besides being a co-worker.

Richard Lambert
He was the mortal brother of Natalie he was shot and mortally wounded when a crazed man tried to escape from the police station where he was entering to help a client(Richard was a county lawyer). Natalie begged Nick to turn her brother into a vampire to save him.

Fleur DeBrabant
She was the innocent and lovely mortal younger sister of Nick. She made her appearence in Be My Valentine where it was learned that she and Lacroix had fell madly in love with each other when a newly turned Nicholas took he and Janette home with him to see his mortal family one last time. Nicholas prevented LaCroix from bringing Fleur over and made a bargain that would come back to haunt him in later years.

Gwyneth
She was Nicholas' love from before he became a vampire. She was a celtic beauty that played a magical harp. She was murdered by Nicholas' commanding officer and Nick was accused of her murder.

Alma
She is the sexy blonde vampire that frequents the Raven and almost made a meal out of Schanke in the episode For I Have Sinned.

Dr. Alyce Hunter
She was the museum curator who is turned into a vampire by Nick in the first episode Dark Knight.

Jeanne d'Arc
The famous Christian martyr who was burned at the stake for her beliefs. She made a lasting impression on Nicholas with her unyeilding faith and gave him a wooden cross that he has treasured over the centuries since her death.

Erica
She was one of Nick's vampire lovers she was a brilliant playwrite and actress. They were very close for many years and her suicide affected Nick deeply in the episode Last Act.

Aristotle
He is the computer genius of the vampire world. He can make anyone disappear and make them a completely new identity and life somewhere else. If you have to leave an identity and move to a different location Aristotle is the man to see.

Alyssa
She was the 16th century lady whom Nicholas married. She died when he tried to bring her across on their wedding night so they could be together forever. Her ghost appeared to Nick when he was on a case at the infamous haunted Kessel House.

Feliks Twist
Nick's accountant and financial guru. He is a vampire who takes care of all of Nick's vast fortunes and charitable trusts. Felik has a passion for plants and has a massive greenhouse that he loves to spend his time in.

The Inca
Vachon's blood brother. He and Vachon were brought across at the same time by an Incan vampire named Angel. He has chased Vachon through the centuries trying to instill in him to fulfill the wish of their vampire maker to fight for justice and good in the world.

The Baroness
She was a baroness from the victorian era who longed for eternal youth. When Nick refused to bring her across she persuaded Janette who did. She reeks havoc on Toronto in the episode If Looks Could Kill.

Alexandra
she was a serving wench at a tavern in the old days before she caught they eye of Nick who bit her and drained her. She was then brought across by Lacroix and thinking that it was Nick who had truly brought her into her undead status longed for revenge against him. She causes quite a stir in Fatal Mistake.

Chief Inspector Liam O'Neal
He came in from Dublin tracking a serial killer who struck in his country and he tracked to the Toronto area. His rich Irish accent and his charm hid a dark secret he was tainted by a vampire but was helped by a Priest before he could change, he now has the ability to feel the presense of vampires when they are near.*Interesting fact Liam is played by Cedric Smith who is Catharine Disher's(Natalie's) husband in real life.*

Bridget Hellman
was a young lady cop who was working her way up to be a detective in the homicide division. unfortuneately she was killed on the job by a vampire and returned as one to be taken care of by Liam O'Neal.

*This is a partical list I know I have probably neglected some of the memorable roles that appeared in one episode...If you would like to contribute to this list please email me the information and I will add it to the list and give you credit :) Thanks*