When L.O.V.E.M.U.F.F.I.N. moves the Earth further from the sun, Phineas and Ferb must find a way to save summer and prevent a new ice age.
Vincent Martella
Phineas Flynn (voice)
Ashley French
Candace Flynn (voice)
Thomas Brodie-Sangster
Ferb Fletcher (voice)
Caroline Rhea
Linda Flynn-Fletcher (voice)
Richard O'Brien
Lawrence Fletcher (voice)
Dan Povenmire
Dr. Heinz Doofenshmirtz / Additional Voices (voice)
Jeff 'Swampy' Marsh
Major Francis Monogram / Additional Voices (voice)
Tyler Alexander Mann
Carl / Additional Voices (voice)
Dee Bradley Baker
Perry the Platypus / Dr. Diminutive / Additional Voices (voice)
Jay Leno
Colonel Contraction (voice)