Cast and credits of Operation H.O.L.I.D.A.Y.

Dee Bradley Baker
Numbuh 4 / Toilenator (voice)

Jeff Bennett
Mr. Boss (voice)

Ben Diskin
Numbuh 2 / Numbuh 1 (voice)

Keith Ferguson
Numbuh 1-Love (voice)

Kim Mai Guest
Numbuh 888 (voice)

Jess Harnell
Airplane pilot (voice)

Janice Kawaye
Sonya (voice)

Cree Summer
Numbuh 5 (voice)

Lauren Tom
Numbuh 3 (voice)

Frank Welker
Bus Driver (voice)