What If Rusty Rivets Cast

## Characters

### Main

* Rusty Rivets (voiced by Kyle Harrison Breitkopf in US, and Theo Crabb-LaHei in UK) – An engineer. He has his own mobile laboratory, which is based in a recycling yard. He is the great great grandson of Ruston Rivets IV, which Ruby guesses hearing the number, indicating he is Ruston Rivets VIII.
* Ruby Ramirez (voiced by Ava Preston in US, and Imogen Addicott in UK) – Rusty's best friend who normally carries a tablet computer that she uses to call the Bits into action. Ruby wears a red sash with white dots around her head, reminiscient of Rosie the Riveter.
* Frankie Fritz – (voiced by Jacob Skiba in US, and Fraser Martin in UK) Frankie is Rusty and Ruby's rival, arch-enemy and neighbor, using every opportunity he can to try and upstage Rusty and be the best engineer in Sparkton Hills, even resorting to cheating to accomplish it.
* Frankford – Frankford is Frankie's robotic skunk, best friend and counterpart to Bytes. He helps Frankie in his attempts to put Rusty out of action.
* Ray (voiced by Robert Tinkler in US & UK) – A small, red-colored member of the Bits with a single eye that functions as a flashlight.
* Whirly (voiced by Julie Lemieux in US & UK) – A pink Bit who resembles a hummingbird. She has a pair of wings and a propeller on her head.
* Crush (voiced by Julie Lemieux in US & UK) – An orange Bit made from clamp, who can crush and hold small objects.
* Jack (voiced by Ron Pardo in US & UK) – A relentlessly obedient, cube-shaped Bit who can lift and transport objects using his forklift-like arms.
* Botasaur (voiced by Robert Tinkler in US & UK) – The tallest member of Rusty's team, modeled after *Tyrannosaurus rex*. He is Rusty's sidekick.
* Botarilla (voiced by Andrew Jackson in US & UK) – Rusty's robotic gorilla, who can climb on trees and swing on vines.
* TigerBot (voiced by Nicki Burke in US & UK)– Rusty's robotic tiger, who can climb with her tiger claws.
* ElephantBot (voiced by Scott Jackson)– Rusty's robotic elephant, who can spray water on his trumpet.
* Bytes (voiced by Robert Tinkler) – Rusty's robotic dog, who communicates by barking. He generally does not take part in missions.
* Kittybot – Ruby's robotic cat, who communicates by meowing. She can sit down.
* Robo-Squirrel – Rusty's robotic squirrel who can destroy things.
* Jerry - Rusty's pet duck who can swim in the pond. He can walk.
* Frankasaurus (voiced by Ian Ho) - Frankie's former little robot dinosaur brother.

### Recurring

* Liam (voiced by Samuel Faraci in US, and Endeavour Clutterbuck in UK) – A young blonde haired boy who often needs rescuing.
* Emily (voiced by Aaliyah Cinello in US, and Amelie Halls in UK) – A young girl who introduced in Season 2, who is a friend of Liam.
* Ranger Anna (voiced by Helen King in US, and Niki Felstead in UK) – A red haired animal enthusiast in charge of the Sparkton Hills Scouts which Rusty and Ruby are part of.
* Chef Betty – A black haired culinary expert. Voiced by Novie Edwards.
* Sammy Scoops (voiced by Joshua Graham in US, and Andy Turvey in UK) – An ice cream vendor.
* Samantha (aka Cream Queen and Cone Woman) shares the nickname "Sammy". They go into business together in "Captain Scoops" and are shown playing soccer together in "Rusty's Spaceship".
* Mr. Higgins (voiced by James Rankin in US, and Chris Garner in UK) – The first inventor in town who inspired Rusty.
* Officer Carl (voiced by Jonathan Potts in US, and Chris Garner in UK) – A police officer.
* Mrs. Rivets (voiced by Bryn McAuley in US, and Niki Felstead in UK) – Rusty's mom.
* Chompers – Rusty's pet beaver who can wag with her beaver tail.
* Mrs. McCloud - Liam's mom.

### Guests

* Kiefer Sutherland, Damon Wayans Jr., Sylvester Stallone, Martin Lawrence and Liam Nesson as Construction Workers (in Rusty's Construction Chaos)