Mehran Taeidi (مهران تائیدی) has been a Director in some movies:

Behind the Night's Wall is about that Ismail's father is the CEO of a construction company, and just when Ismail is planning to go to Japan, his father falls ill and Ismail has to give up going to Japan, because when he leaves, the company will be dissolved and he will lose his fiance... In this film Mehran Taeidi (مهران تائیدی) collaborates with Behnoosh Bakhtiari (بهنوش بختیاری‎), Negar Foroozandeh (نگار فروزنده‎), Rambod Javan (رامبد جوان), Behzad Rahim Khani (بهزاد رحیم‌خانی), Ebrahim Abadi (ابراهیم‌ آبادی‎), Saeed Ansari (سعید انصاری), Mojtaba Rahimi (مجتبی رحیمی), Mahmoud Samakbashi (محمود سماک‌باشی), Morteza Zarabi (مرتضی ضرابی), Zohreh Safavi (زهره صفوی), Hamed Kolahdari (حامد کلاهداری), Reza Abdi (رضا عبدی), Abbas Mahboub (عباس محبوب), Harand Hakoopian (هراند هاکوپیان), Akbar Rahmati (اکبر رحمتی), Mohammad Varshochi (محمد ورشوچی), Asghar Zamani (اصغر زمانی), Reza Ghafouri (رضا غفوری), Mehran Zeyghami (مهران ضیغمی), Hamid Mahin Doost (حمید مهین دوست), Kamran Lava (کامران لوا), Manouchehr Zamani (منوچهر زمانی), Mohammad Zakaria (محمد ذکریا)

Two Destinies is about that There occurs a murder, and all the evidence are against the doctor, who gets caught up by law. The murderer, who grew up under the Doctor's care, is being pushed by his wife to confess his crime and save the life of an innecont man. Despite the apparent evidence available to the case, the prosecutor believes that he should seek the real killer, but he does not succeed in pursuing so far as he went. The wife keeps insisting that he should turn himself in until he murders her too, and thus, the law has a new clue to search for the killer, and the doctor regains his freedom. In this film Mehran Taeidi (مهران تائیدی) collaborates with Kazem Afrandnia (کاظم افرندنیا), Mahbubeh Bayat (محبوبه بیات), Marjaneh Golchin (مرجانه دلدار گلچین), Manouchehr Hamedi (منوچهر حامدی), Homayoun Payvar (همایون پایور), Babak Bayat (بابک بیات), Mahin Shahabi (مهین شهابی), Parviz Pour Hosseini (پرویز پورحسینی), Mahmoud Basiri (محمود بصیری), Hamid Delshakib (حمید دل‌شکیب), Hossein Shahab (حسین شهاب), Naser Roudaki (ناصر رودکی), Vali Shirandami (ولی شیراندامی), Moharram Basim (محرم بسیم), Hooshang Beheshti (هوشنگ بهشتی), Ahmad Kalantari (احمد کلانتری), Mehrdad Rahimi (مهرداد رحیمی), Ali Shahbazian (علی شهبازیان)

The Optimist is about that Mahdi is heartbroken and isolated after his wife's death. But soon financial problems make matters worse for him and his only son, Mohammad. Mahdi refuses his brother's offer to give Mohammad custody to him. With the help of Azar, a woman who he has recently met, he tries to gain financial independence. But he fails in his efforts and at last gives way to his brother's offer. But Mohammad refuses to go with his uncle and decides to stay with him and Azar to make new arrangments for their lives. In this film Mehran Taeidi (مهران تائیدی) collaborates with Afsaneh Bayegan (افسانه بایگان), Saeed Sheikhzadeh (سعید شیخ زاده), Hossein Moheb Ahari (حسین محب اهری), Farrokh Lagha Hooshmand (فرخ لقا هوشمند), Gholamreza Azadi (غلامرضا آزادی), Babak Bayat (بابک بیات), Zohreh Hamidi (زهره حمیدی), Reza Rooygari (رضا رویگری), Akbar Esfahani (اکبر اصفهانی), Davood Movasseghi (داوود موثقی), Abbas Ghahremani (عباس قهرمانی), Jalal Ghezel Ayagh (جلال قزل ایاق), Shahla Nazerian (شهلا ناظریان), Mojtaba Jamshidi (مجتبی جمشیدی), Sekhavat Zahedi (سخاوت زاهدی), Hossein Erfani (حسین عرفانی), Reza Ghafouri (رضا غفوری), Hamideh Aghaei (حمیده اقایی)