Ghasem Seyf (قاسم سیف) has been a Actor in some movies:

The School We Went to is about that The film stars Ezzatollah Entezami and Ali Nassirian and is from a story by Fereydoon Doostdar. ...The film was sponsored by the Iranian Institute for the Intellectual Development of Children and Young Adults, whose filmmaking department was co-founded by Abbas Kiarostami. The film, seen as an allegory for the recent revolution, is about a group of high school students who join forces and rebel against their authoritative and abusive school principal. In this film Ghasem Seyf (قاسم سیف) collaborates with Ali Nasirian (علی نصیریان), Ezzatolah Entezami (عزت‌الله انتظامی), Dariush Mehrjui (داریوش مهرجویی), Naser Cheshmazar (ناصر چشم آذر), Farrokh Majidi (فرخ مجیدی), Mehrdad Fakhimi (مهرداد فخیمی), Manoochehr Oliaei (منوچهر اولیایی), Iraj Shahzadi (ایرج شهزادی), Jalal Moayerian (جلال معیریان), Babak Borzooyeh (بابک برزویه), Amrollah Saberi (امرالله صابری), Fereydoun Doostdar (فریدون دوست دار), Reza Ramin (رضا رامین), Mohammad Sadrzadeh (محمد صدرزاده), Mahmud Mahdavi (محمود مهدوی)

All Three is about that A young man is released from prison. Three other prisoners who where his cellmates explain his political and social life in three different ways: The first one defines him as the son of an unknown father and a Polish mother who were taken abroad when his mother has been killed at the time of WWII and then he has returned to Iran as the agent of Zionists arrested while he was spying. The second one defines him as the lover of a Polish woman who is the wife of an embassy employee and is arrested through a report by the husband. The third one tells that he has returned to the country to take his wife's jewelry and is arrested mistakenly. In this film Ghasem Seyf (قاسم سیف) collaborates with Farimah Farjami (فریماه فرجامی‎), Jamshid Mashayekhi (جمشید مشایخی), Faramarz Sedighi (فرامرز صدیقی), Sirous Gorjestani (سیروس گرجستانی), Firouz Behjat-Mohamadi (فیروز بهجت محمدی), Jafar Vali (جعفر والی), Homayoun Asadian (همایون اسعدیان), Abdollah Eskandari (عبدالله اسکندری), Eshagh Khanzadi (اسحاق خانزادی), Fereydoon Shahbazian (فریدون شهبازیان), Fereydoun Ghovanloo (فریدون قوانلو), Rouhollah Emami (روح‌الله امامی), Jalal Moayerian (جلال معیریان), Parviz Pour Hosseini (پرویز پورحسینی), Mohammad Motee (محمد مطیع), Soroush Khalili (سروش خلیلی), Saeed Amir Soleimani (سعید امیرسلیمانی), Sohrab Salimi (سهراب سلیمی), Davood Meghdadi (داوود مقدادی), Sadegh Hatefi (صادق هاتفی), Arash Taj (آرش تاج), Gholamali Erfan (غلام علی عرفان), Bahram Yazarlou (بهرام یازرلو)

Grand Cinema is about that This is a fictional story of early days of cinema theaters in Iran in early 20th century in the dawn of Persian constitutional revolution. Roosi Khan and Aghaiev who are supported by Russians and Britishs respectively have big rivalry over movie theaters. They try to attract more theater-goers to their cinema and even sabotage one another business. In this film Ghasem Seyf (قاسم سیف) collaborates with Akbar Abdi (اکبر عبدی‎), Ezzatolah Entezami (عزت‌الله انتظامی), Fakhreddin Seddigh Sharif (فخرالدین صدیق شریف), Manijeh Hekmat (منیژه حکمت), Morteza Ahmadi (مرتضی احمدی), Ebrahim Abadi (ابراهیم‌ آبادی‎), Hossein Maleki (حسین ملکی), Mahmoud Basiri (محمود بصیری), Jamshid Ahangarani Farahani (جمشید آهنگرانی فراهانی), Akbar Doodkar (اکبر دودکار), Rubik Mansouri (روبیک منصوری), Mostafa Kamyab (مصطفی کامیاب), Hassan Hedayat (حسن هدایت), Hassan Gholizadeh (حسن قلی‌زاده), Naser Laghaei (ناصر لقایی), Mansour Vala Magham (منصور والا مقام), Ali Akbar Erfani (علی‌اکبر عرفانی), Fereydoun Aboo Zia (فریدون ابوالضیا), Hossein Amirfazli (حسین امیرفضلی), Maliheh Ebrahimi (ملیحه ابراهیمی), Asghar Zamani (اصغر زمانی), Kazem Davoodian (کاظم داودیان), Jamal Samavati (جمال سماواتی)

Fire on Winter is about that After the suppression of the Republic of Gilan, Shuka, one of Mirza Kochuk Khan's assistants, manages to escape and plans to destroy the ammunition depot of the jungles so that it does not fall into the hands of the Cossacks. Cossacks set a reward for his capture. Some villagers are mobilized to arrest him and others to save him. Shuka is trapped three times but manages to escape each time. In this film Ghasem Seyf (قاسم سیف) collaborates with Malihe Nikjumand (ملیحه نیکجومند), Mahbubeh Bayat (محبوبه بیات), Abbas Amiri (عباس امیری), Mir Salah Hosseini (میرصلاح حسینی), Manouchehr Hamedi (منوچهر حامدی), Abbas Nozari (عباس نوذری), Eshagh Khanzadi (اسحاق خانزادی), Hossein Zandbaf (حسین زندباف), Babak Bayat (بابک بیات), Mohammad Bozorgnia (محمد بزرگ نیا), Mostafa Kamyab (مصطفی کامیاب), Amir Zamani (امیر زمانی), Mohammad Taghi Sharifi (محمدتقی شریفی), Reza Zhian (رضا ژیان), Ali Golshan (علی گلشن), Hassan Hedayat (حسن هدایت), Hassan Gholizadeh (حسن قلی‌زاده), Nemat Afsharian (نعمت افشاریان), Mohammad Barsouziyan (محمد برسوزیان), Navid Nozari (نوید نوذری), Ahmad Nasr (احمد نصر), Asghar Zamani (اصغر زمانی), Abbas Ahmadi (عباس احمدی), Ali Haj Aliaskari (علی حاج‌علی‌عسگری)

53 Individuals is about that In 1977, a small group of Muslim warriors steal a number of documents from the ministry of foreign affairs. One of the members called Ahmad tries to take the documents out of Tehran. He starts the mission according to a carefully designed plan but he is surrounded in the railway station. Before he is arrested, he changes his bag with another one which belongs to a man called Hosein. Torture and interrogation results in vain, so SAVAK (Security and Information Administration of the country before the revolution) releases him conditionally. They announce that anyone who delivers the bag will get be awarded. Hosein needs money to send his wife abroad for a treatment. He finds some money in the bag but when he sees the announcement, he calls the number but soon realizes that the number belongs to SAVAK. Ahmad finds Hosein's address. SAVAK finds his house too according to the phone number. A severe struggle comes up but at the end the group succeed to gain the documents. In this film Ghasem Seyf (قاسم سیف) collaborates with Ardalan Shoja Kaveh (اردلان شجاع کاوه), Farrokh Lagha Hooshmand (فرخ لقا هوشمند), Enayat Bakhshi (عنایت بخشی), Behrooz Afkhami (بهروز افخمی), Alireza Zarrindast (علیرضا زرین‌دست), Naser Gitijah (ناصر گیتی جاه), Masoud Valadbeigi (مسعود ولدبیگی), Amir Molaei (امیر مولایی), Seyed Mohammad Mirzamani (سیدمحمد میرزمانی), Bahram Shahmohammadloo (بهرام شاه‌محمدلو), Abbas Ghahremani (عباس قهرمانی), Mansour Vala Magham (منصور والا مقام), Roohangiz Mohtadi (روح‌انگیز مهتدی), Fariba Shams (فریبا شمس), Majid Niamorad (مجید نیا مراد), Fariborz Samandarpoor (فریبرز سمندرپور), Mohsen Espahbod (محسن اسپهبد), Yousef Seyed Mahdavi (یوسف سیدمهدوی), Hossein Dalir (حسین دلیر), Reza Irajinia (رضا ایرجی نیا), Masoud Rad (مسعود راد), Rahim Talebipour (رحیم طالبی پور)

The Night Nurse is about that A wounded soldier is transferred from the frontline to the hospital. His nurse, Mary, is a Christian girl. The girl feels that the stranger’s face is familiar. Eventually, she finds out that his face resembles to a picture of Jesus Christ. From that point on, Mary struggles with her thoughts, because the man shouldn’t drink water 48 hours after the surgery. In this film Ghasem Seyf (قاسم سیف) collaborates with Shahla Riahi (شهلا ریاحی‎), Mahnaz Afzali (مهناز افضلی), Parviz Shahinkhou (پرویز شاهین خو), Reza Banafshekhah (رضا بنفشه خواه), Mohsen Shah Ebrahimi (محسن شاه‌ابراهیمی), Touraj Mansouri (تورج منصوری), Farhad Fakhreddini (فرهاد فخرالدینی‎), Mohammad Reza Sharifi (محمدرضا شریفی), Keyhan Rahgozar (کیهان رهگذر), Mohammad Ali Najafi (محمدعلی نجفی), Hadi Jourak (هادی ژورک), Saeed Jalali (سعید جلالی), Farhad Khanmohammadi (فرهاد خان‌ محمدی), Maliheh Akbari (ملیحه اکبری), Hossein Khani Beyk (حسین خانی بیک), Soosan Salimi (سوسن سلیمی), Ali Bigham (علی بی‌غم), Mina Saremi (مینا صارمی), Bahram Jalali (بهرام جلالی), Sara Najafii (سارا نجفی), Mohammad Ghaffari (محمد غفاری)