Omar Shirazi is Navid's father and a pornographic movie producer. In season three he is exposed to have knowingly hired underage actors to star in his films.
His first appearance is when Adrianna shows up at Navid's house his parents invite her over dinner, during the dinner Omar says that he is happy to finally meet her then he introduces Adriana to his wife and a several members of his extended family who are gathered in the living room.
He later appears in The Party`s Over when Adrianna and Navid arrive for dinner with him and his wife. Navid's mother asks Adrianna how she's been. Adrianna smiles and reveals her pregnant belly, causing Navid's mom to drop a vase of flowers. Navid's parents are upset and Navid tells them they are getting married. The two go through the statements that Navid predicted they would say. They eventually accept Navid's decision to raise his baby. Navid tells them that the baby isn't actually his and they refuse to let him raise the baby. Navid takes Adrianna aside and gives her a hug. Navid's parents tell him he can't get married and raise Adrianna's baby. They tell him he can still date her, but they won't allow them to get married.
In And Away They Go! He is with Attosa at the hospital after Navid was pushed down the stairs.
He and his wife are supporting Navid during the achievement awards at West Bev. in that episode Navid finds out that his father is using underage girls in his movies. The next day Navid is having breakfast with his father and talks to him about the underage girl of his school working in one of his porn movies and tells Navid that he is going to take care of it and the girl will be fired.
Navid goes to his father office and fight with him for lying and using young girls on his films but his father fights by because that is what gives them money and buy Navid's stuff, he leaves angry and goes to talk to his adviser because he wants to rewrite his paper and tells to her about his father illegal job.
In ''They`re Playing Her Song' Navid gets home and finds his family sitting on the steps. His dad's been in with the lawyers all day, and he wants to talk to Navid. His dad confronts him about what he said to his guidance counselor. Navid admits he may have said something. Now his dad is being investigated by the authorities for child pornography, and he could go to jail
Navid finds his dad on the phone, and waits for him to finish. His dad is very abrupt with him, even after he apologizes. His dad is angry because Navid couldn't keep his big mouth shut. Navid sets the record straight. Dad is not in trouble because of Navid. He's in trouble because he broke the law. His dad can't hear it, and orders Navid to leave.Navid comes home so he can be yelled at again. His mom tells him his dad's records were subpoenaed. His dad was afraid he'd get sent to jail
In the season premiere was reveal that the entire family is now living in Switzerland, In Should Old Acquaintance Be Forgot Silver goes to see Navid but it’s really for his father to talk some sense into him! Navid’s dad says he’ll turn himself in to protect his son and Navid is sorry that it has all come to this.