After appearing in various television commercials and short films, Banno played Olivia Fraser Richards in the Australian soap opera Home and Away from 2015 until 2018.

[2][3] Banno commenced her career as a dancer at the age of three, following the completion of FATD Jazz and Tap exams ad, and all her RAD ballet exams until her Intermediate grade, and in her later years she additionally participated in hip-hop classes while at dance school teaching ballet and contemporary dance to 9-12 year olds.

[6][4] When Raechelle and her sister, Karina, decided they wanted to pursue acting careers, they approached a family friend, who was a casting director for advice.

[8] Initially appearing in commercials for companies such as McDonald's and Vodafone,[8] she moved onto television roles, debuting in an episode of the 7Two children's drama series In Your Dreams.

[citation needed] The sisters and George Maher were also one of eight finalists selected for the 2020 AACTA and Monster Pictures pitch competition for their project Blackheath.