He was educated at Winchester College and has a degree in history from Oxford University where he appeared in a number of student plays. During his studies he did a lot of stage performance, including touring Japan with an OUDS production of Love's Labours Lost. He then trained at the Royal Academy of Dramatic Art (RADA), graduating in 2005. Wyndham augmented his formal education by completing programmes such as: a camera acting course at BBC Elstree; earning the BASSC Certificate 1st class (distinction) armed and unarmed combat; and achieving the level of black belt (1st Dan) Shotokan Karate. He has many skills including period and Flamenco dancing, and sings baritone. His special interests include: athletics, films, travel, guitar and graphic design.