Casey Simpson (I) Casey Simpson is known for his role as as Ricky Harper on the hit Nickelodeon series Nicky, Ricky, Dicky & Dawn. He later went on to star in the film Escape from Mr. Lemoncello's Library in 2017. He was nominated for a Kids Choice Award in 2016 and 2017. Casey was three years old when he began his acting career, landing his Principal Arthur Tarian is a recurring character on Nicky, Ricky, Dicky & Dawn. He is the principal of Edgewood School where the Harper Quads and their friends go. Tarian is portrayed by Jason Sims-Prewitt. Principal Tarian is authoritative as a leader and is keen on enforcing policies. At the same time, he can be playful especially when it comes to his favorite pet turtle, Shelly. In Quad Aidan Gallagher (born September 18, 2003) is an actor and singer recognized chiefly for his role in Nicky, Ricky, Dicky & Dawn, a hit television series. He also gained immense success after landing a role in the 2019’s Netflix series, The Umbrella Academy. Nicholas Daniel "Nicky" Harper is one of the Harper quadruplets and one of the four protagonists in Nicky, Ricky, Dicky & Dawn. He's the last quad born. He's quiet and tries to stay out of trouble. Nicky is portrayed by Aidan Gallagher. Quadcodile Dundee is the tenth episode in Season 4 of Nicky, Ricky, Dicky & Dawn. It first aired on June 30, 2018 to 0.71 milion viewers. The quads are taught a lesson by their parents when they are forced to wait in line like everyone else when Isaiah Thomas comes to the store to sign his new shoes. Nicky, Ricky, and Dawn introduce Britt to Mae, Miles, Avery and Dooley. The quads think that Nicky, Ricky, Dicky, And Dawn Cast Real Name, Birthday, and Age 2021 - Nicky, Ricky, Dicky, And Dawn Cast Real Age 2021 - Disney popular TV Series 202 The series focuses on quadruplets Nicky, Ricky, Dicky, and Dawn Harper, nine years old at the start of the series, [1] who have nothing in common and often fight, but must work together to navigate everyday situations. Episodes Cast and characters Main Brian Stepanek as Tom, the father of the Harper family quadruplets. Each week 10 year old Dawn Harper and her brothers Nicky, Ricky, Dicky find themselves engaged in an unbelievably hilarious sibling rivalry for the ages and these wildly entertaining stories have quickly engaged a huge following of all ages. It’s truly only a matter of time before this delightful half hour comedy takes it’s place alongside OGdjR2v.