Nicky, Ricky, Dicky & Dawn is an American comedy series produced by Nickelodeon. The series revolves around the Harper quadruplets who have nothing in common but their birthdays and parents. Being quadruplets means four times the fun and four times the drama! Sibling rivalry runs deep in this family, but this "quad squad" can solve any problem when they work together.
NRDD stars Lizzy Greene as Dawn Harper, Casey Simpson as Ricky Harper, Mace Coronel as Dicky Harper, Aidan Gallagher as Nicky Harper; with Brian Stepanek as Tom Harper and Allison Munn as Anne Harper. Also starring are Kyla Drew Simmons as Mae Valentine and Gabrielle Elyse as Josie Cooper.
Mace Coronel, who portrays Dicky Harper, announced on Instagram on September 10, 2017 that he had made a mutual agreement with Nickelodeon 3 weeks ago to be off the show. However, the show will continue to go on without him. 
The pilot episode aired on September 13, 2014.
Cast & Characters
- Dawn Harper (Lizzy Greene) is the oldest of the quadruplets. She is four seconds older and four seconds wiser. Because of this, she considers herself to be the leader of the pack. Being the only girl in the quad, Dawn has a big challenge dealing with her brothers.
- Ricky Harper (Casey Simpson) is the brain of the Harpers but he can easily get in trouble. Sometimes, his little brain can cause a big disaster.
- Dicky Harper (Mace Coronel) is the "cool" boy of the Harpers. He always tries to find the easy way out. He is also the pint-sized ladies' man.
- Nicky Harper (Aidan Gallagher) is the good-mannered boy of the Harpers. He is the only one with dark brown hair. He is shown to be less problematic.
- Mae Valentine (Kyla Drew Simmons) is Dawn's best friend and a friend of the quads. She considers herself to be the fifth quad. She was a recurring character in the first 2 seasons and was promoted to a main character in Season 3.
- Siena Agudong as Natlee
- Lincoln Melcher as Mack
- Theodore John Barnes as Miles
- Hayden Crawford as Dooley
- Isabella Revel as Avery
- Jessica Belkin as Madison
- Sofia Wylie as June
- Lydia Boland as Molly
- Molly Jackson as Brianna
- Maddie Ziegler as Eiffel
- Mackenzie Ziegler as Lilly
- Madison Hubbard as Emma Kramden
- Savannah Hubbard as Jules Kramden
- Ethan Kent as George Kramden
- Gavin Kent as Lyle Kramden
- Gage Petrone as Franco
- Spencer Tomich as Trey
- Cody Veith as Oscar
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