Park Jae beom (박재범)
birthday 1987-04-25
born in Seattle, Washington.
His mom lead him to audition since he likes to dance and rap but he never knew that it would take him far.



Ok Taec Yeon (옥택연)
birthday 1988-12-27
born in Seoul, South Korea but immigrated to Bedford, Massachusetts at a young age.
He originally auditioned for JYP Entertainment in New York to become a model.



Kim Jun Su (김준수)
birthday 1988-01-15
born in Daegu, Korea.
He originally auditioned for YG Entertainment, where he befriended G-Dragon and Tae Yang of Big Bang.



Lee Jun Ho (이준호)
birthday 1990-01-25
born in llsan, korea.
He joined One Day following a winning of a contract with JYP Entertainment after he won a contest in JYP's Superstar Survival in 2006.



Nichkhun Horvejkul (닉쿤)
birthday 1988-06-24
He was born in Rancho Cucamonga, California. He spent his childhood in Thailand and in California and studied abroad in New Zealand. (can say that nichk is a very lucky and rich person :D)
He returned to the States for high school and was scouted by a JYP talent agent in Hollywood, California while he was attending the Korean Music Festival in Los Angeles.


Jang Woo Young (장우영)
birthday 1989-04-30
born in Busan, Korea.
selected as a JYP trainee through MGoon's JYP auditions. He won first place in this audition.



Hwang Chan Sung (황찬성)
birthday 1990-02-11
born in wangshibli, korea.
Chansung participated in the same survival game as Junho but lost. He then auditioned again and later received the title of being the maknae(younger brother) or the youngest of the group.

1/22/2010 07:32:00 PM