[3] Tamara took classes at Dance Crazy Studios and Razzamataz Theatre School Barnet.

[4][5] In 2017, Smart made her acting debut as Enid Nightshade in the CBBC series The Worst Witch.

[8] In 2020, Smart was cast to play Juliet Butler In the science fantasy adventure film Artemis Fowl.

[9] Also In 2020, Smart played a major role as Kelly Ferguson in the dark fantasy comedy film A Babysitter's Guide to Monster Hunting.

[10] In 2022, Smart starred as Jade Wesker in the action horror series Resident Evil.