Vanessa Doofenshmirtz is played by Olivia Olson.
Sources listed below in Related Links.
Obviously yes watch the episode when they build a roller coaster
Yes, Madison Pettis does do the voicing of the Fireside girl Addison Sweetwater.
Gale Olson
rollercoaster, candace loses her head, fast and the phineas, lawn gnome beach party of terror, the magnificent few, s'winter, are you my mummy?, flop starz, raging bully, lights, candace, action!, get that bigfoot outa my face!, tree to get ready, it's about time!, jerk de soleil, toy to the world, one good scare ought to do it!, hard day's knight, i, brobot, mom's birthday, journey to the center of candace, run away runway, i scream, you scream, it's a mud, mud, mud, mud world, the ballad of badbeard, dude, we're gettin' the band back together!, ready for the betty's, the flying fishmonger, phineas and ferb get busted!, greece lightning, leave the busting to us!, crack that whip, the best lazy day ever, boyfriend from 27,000 B.C., voyage to the bottom of buford, does this duckbill make me look fat?, put that putter away!, traffic cam caper, bowl-a-rama drama, the monster of phineas-n-ferbenstein, oil on candace, unfair science fair, unfair science fair redux, out to launch, got game?, comet kermillian, out of toon, hail doofania!, the lake nose monster, interview with a platypus, tip of the day, attack of the 50-foot sister, backyard aquarium, day of the living gelatin!, elementary, my dear stacy, don't even blink, chez platypus, perry lays an egg, gaming the system, the chronicles of meap, thaddeus and thor, de plane! de plane!, let's take a quiz, at the car wash, oh, there you are perry, swiss family phineas, hide and seek, that sinking feeling, the baljeatles, vanessasary roughness, no more bunny business, spa day, phineas and ferb's quantum boogaloo, phineas and ferb's musical cliptastic countdown, bubble boys, isabella and the temple of sap, cheer up candace, fireside girl jamboree, the bully code, finding mary mcguffin, picture this, nerdy dancin', what do it do?, atlantis, phineas and ferb christmas vacation!, just passing through, candace's big day, i was a middle-aged robot, suddenly suzy, undercover carl, hip hip parade, invasion of the ferb snatchers, ain't no kiddie ride, not phineas and ferb, phineas and ferb busters!, the lizard whisperer, robot rodeo, the beak, she's the mayor, lemonade stand, phineas and ferb hawaiian vacation!, summer belongs to you!, nerds of a feather, wizard of odd, the secret of success, the doof side of the moon, we call it maze, ladies and gentleman, meet max modem!, split personality, brain drain, rollercoaster: the musical!, make play, candace gets busted, the great indoors, canderemy, run, candace, run!, last train to bustville, phineas's birthday clip-o-rama!, the belly of the beast, moon farm, ask a foolish question, mispercieved monotreme, candace disconnected, magic carpet ride, bad hair day, meatloaf surprise. those were all the phineas and ferb episodes in order.
A-Prime Calypso and Bad Luck
No, not really. They just ended up working together again. You don't suppose there was something suspicious there, eh? ;)
He doesn't play on Phineas and Ferb
Phineas: Vincent Martella Ferb: Thomas Sangster
Ashley Tishdale
He plays Phineas Flynn in the series and in Phineas and Ferb: Across The Second Dimension.
No, as far as Wikipedia and I know, Bridgit Mendler was never in Phineas and Ferb.
No.
yes you can
Yeah. Go to youtube and look up phineas and ferb my fair goalie full episode
No.
Doof
It was Alyson Stoner