Olatokunbo Susan Olasobunmi Abeke Olagundoye was born in Lagos, Nigeria, to a Norwegian mother and a Nigerian father. As a youth, she was educated in Nigeria, Switzerland, and England. She received a Bachelor of Fine Arts in theatre from Smith College
Toks Olagundoye made her screen debuts on both TV and the big screen in 2002; in an episode of the television series The Education of Max Bickford; and in the film Brown Sugar later that same year. She appeared opposite Ruby Dee in an off-Broadway production Saint Lucy's Eyes in April 2001, and in 2005 she cofounded the theater company Three Chicks Theatre, which produced Andrea Lepcio's One Nation Under in 2008. Olagundoye has guest-starred on Ugly Betty, Law & Order, CSI: NY, Switched at Birth, NCIS: Naval Criminal Investigative Service and Prime Suspect. Her film credits include A Beautiful Soul, Come Back to Me, Absolute Trust and The Salon.
In 2012, Toks was cast as a series regular in the ABC comedy series The Neighbors, playing the part of Jackie Joyner-Kersee until the series was canceled after two seasons in 2014. She later had starring roles in the two television pilots: Feed Me, opposite Mary-Louise Parker for NBC; and Amazon's Salem Rogers, co-starring with Leslie Bibb. Toks joined the cast of ABC comedy-drama Castle in 2015 as a series regular in the role of Hayley Shipton.