Clifford the Big Red Dog/Odd Squad

Emily Elizabeth as Agent Olive

Charley as Agent Otto

Clifford as Oscar

T-Bone as Agent Otis

Cleo as Agent Olympia

Mac as Agent Oren

Jetta as Ms. O (both bossy)

Jetta as Ms. O (both bossy)

Jane as Agent Orchid

Mr. Bleakman as Coach O

Mrs. Bleakman as Dr. O

Mrs. Howard as Oona

Mr. Howard as Agent Ohlm