Theodore was born in Heidelberg in the Western Cape. In 2002 he matriculated from Kairos Secondary School and went on to study theatre at Northlink College in Cape Town. In 2004 he completed his diploma in Performing Arts.
He started his professional career in theatre in 2005, as one of the leading characters in Die Keiser, to critical acclaim and was nominated for an award for his portrayal. After that followed Kanna hy ko Huistoe at the Baxter Theatre in Cape Town and many others.
He made his television debut in the e.tv sitcom Madam and Eve, which was followed by the e.tv primetime soap, Scandal!.
He then starred in the Henry Mylne production of Die Swerfjare van Poppie Nongena, opposite veteran actress Vinette Ebrahim. The production was hailed as one of the top productions at Arts festivals, KKNK and the Suidooster fees.
Since 2008, he was working on the SABC2 soap 7de Laan, in which he plays the role of Xander Meintjies. In 2020 he left the show.