Nok Sinjai Plengpanich is a Thai actress and model. She has acted in numerous lakorns as well as films and theatrical productions. In 2007, she starred in the critically acclaimed The Love of Siam, and also acted in a revival of the stage production, Banlang Mek: The Musical. She is married to fellow actor Chatchai Plengpanich. She has 2 sons and a daughter (Gun, Bom, Dom).

Filmography

• Hell Home — Marisa
• 2026Inherit — Sudaduang
• Ticket to Heaven — Bussaya
• Whisper of Desire — Phanni
• 2025Eternal Bond — Sonklin
• Shine — Mondira
• The Successor — Thara Rapheethada
• 20242475 Dawn of Revolution — Queen Rambhai Barni (voice)
• Dhevaprom — Piangkwan "Kwan" Juthathep Na Ayutthaya, Producer
• Mom Ped Sawan — Dharawadi
• Past Life, Present Love — Rampha
• The Enchantment Of Dhevaprom : "Jaiphisut" — Piangkwan Juthathep Na Ayudhya
• Hangout
• 55:15 Never Too Late — Jaya (age 55)
• Game of Outlaws — Phin, Producer
• 2021The Story of a Family Through Four Reigns — พลอย (วัยผู้ใหญ่-ชรา)
• My Himalayan Embrace — Phonramphai
• Love You So — Producer
• 2019Necromancer 2020 — May
• Red Thread — Mei Ing
• The Stranded — Professor Lin
• Until We Meet Again — Alin
• Sorry, I Love You — Nathai
• Sri Ayodhaya — Kromma Luang Pipitmontri
• Tawan Yor Saeng — Producer
• Chaat Payak
• 2016Fathers — Rattiya
• True Love...Mother Isn't Pleased — Pat's mother
• 20143 A.M. Part 2 — Boss Juju (segment "The Offering")
• 2014The Scar — Thong Kham Pleo
• 2014The Story of Mahajanaka — พระเทวี (Voice)
• Two Worlds of Love — Thara, Producer
• E-Sa — Mom Prim
• Sunset at Chaophraya — La-iad
• Buang Rak — Khun Ying Angkana
• Nuer Mek 2 — Napa
• 2011Bird Thongchai Concert #16/2011 Bird A-Sa-Sanook
• Boiling Sun — Wilai
• Crossing The Time To Find Love — Preapim
• Nuer Mek — Napa
• 2010Who Are You? — Nida
• Feuding Sun — Parnrawee Suriyathid
• Khun Yay Sai Diew — Manwad
• Klin Kaew Klang Jai — Jittra
• 2007Love of Siam — Sunee
• Sadut Ruk — Pimjan
• Sea Of Greed — Pawinee
• When The Sky Changes Color — Chan
• Red Roof — Chomsee
• Nampu — Suwannee Sukontha
• Tayard Asoon — Woranart
• 2001The Legend of Suriyothai — Lady Srichulalak
• 1997Anda and Fahsai — Methinee
• 1995Miracle of Love — Napha
• 1994Powder Road
• 1991Asian Beat: Powder Road
• 1990Air America — May Ling
• 1988Bangkok Emergency อุบัติโหด
• 1988Once Is More Than Enough — Lakpornmari
• 1987A River Does Not Flow Backward
• 1987Cold Fire
• 1987Hidden Fire
• 1987I Love His Husband — Am
• 1987It's Hidden in the Dormitory
• 1987Ploy Talay
• 1987The Boys in the Band
• 1986Nam Sor Sai — Putkrong Wiboonsin
• 1986Whatever, I Don't Care — Pim
• 1985The Accusation — Panporn
• 1985The Case of Nuanchawee — Nuanchawee
• 1984Aye Jomgay
• 1984Mue Prab 2 Paen Din
• 1984มังกรลายไทย
• 1984เพลิงพิศวาส
• 1983Katanyu Prakasit
• 1983The Black Magic with Buddha
• 1982Sai Sawat Yang Mai Sin — Thip
• Loveless Heroine

Appearances as themselves (3)

• 2022Roundness — Self
• The Mask Singer Thailand — Self
• Secret of Superstar — Herself