Odd Squad/Frosty the Snowman

Mayor Macklemore as Frosty

Agent Olive as Karen

Agent Otto as Hocus

Oscar as Santa Claus

Ms. O as the Teacher

Odd Todd as Professor Hinkle

Agent Olympia as the Girl in Pink Clothes

Agent Otis as the Boy with the Blue Shirt

Oona as the Girl with the Green Hat

O'Brian as the Ticket Master

Agent Owen as the Traffic Cop

Agent Oren as the Boy with Orange Clothes

Agent Olaf as the Boy with Brown Clothes