Popularity: 12
| Creator: | Tim McKeon, Adam Peltzman |
|---|
| Name | Character | Episodes |
|---|---|---|
| Anna Cathcart | Agent Olympia | 153 |
| Millie Davis | Ms. O | 153 |
| Dalila Bela | Agent Olive | 153 |
| Sean Michael Kyer | Agent Oscar | 153 |
| Isaac Kragten | Otis | 153 |
| Filip Geljo | Agent Otto | 153 |
| Olivia Presti | Oona | 63 |
| Jaiden Cannatelli | Olhm | 15 |
| Jaeden Noel | Agent Obfusco | 7 |
| Kyle Gatehouse | Monsieur Papier-Maché | 6 |
| Martin Roach | Fladam | 4 |
| Percy Hynes White | Odie | 3 |
| Drew Haytaoglu | Ozric | 3 |
| Sharron Matthews | Chef Sylvia | 2 |
| Kevin Hanchard | Dry Cleaner Guy | 1 |
| Raphael Alejandro | Agent in Band (uncredited) | 1 |
| Kyle Meagher | Not The Real Big O | 1 |
| Amrit Kaur | Annette | 1 |
| Tomaso Sanelli | Agent Ogg | 1 |
| Mercedes Morris | Corn Flakes | 1 |
| Alexander Elliot | Agent O'Que | 1 |
| Ana Araújo | Chief of Graph | 1 |
| Jacob Soley | Osmond | 1 |
| Thom Allison | Chef | 1 |
| Jameson Kraemer | King Pin Mike | 1 |
| Marcia Bennett | Circle Lady | 1 |
| Ann Pirvu | Evil Queen | 1 |