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
as Phineas Flynn (voice)
Ashley Tisdale
as Candace Flynn (voice)
Thomas Brodie-Sangster
as Ferb Fletcher (voice)
Caroline Rhea
as Linda Flynn-Fletcher (voice)
Richard O'Brien
as Lawrence Fletcher (voice)
Dan Povenmire
as Dr. Heinz Doofenshmirtz / Additional Voices (voice)
Jeff 'Swampy' Marsh
as Major Francis Monogram / Additional Voices (voice)
Tyler Alexander Mann
as Carl / Additional Voices (voice)
Dee Bradley Baker
as Perry the Platypus / Dr. Diminutive / Additional Voices (voice)
Jay Leno
as Colonel Contraction (voice)
Maulik Pancholy
as Baljeet Tjinder (voice)
Bobby Gaylor
as Buford Van Stomm / Additional Voices (voice)
