It is Sodor Surprise Day but Gordon thinks that surprises are silly so Thomas tries to change his mind but one of his surprises goes very wrong! Percy treats everyone to a musical delight, Thomas takes a famous composer on a tour of the Island and it's The Fat Controller's birthday so the engines must work together to deliver his very special birthday present! Features the episodes: Sodor Surprise Day, Thomas and the Sounds of Sodor, Percy and the Calliope, Happy Birthday Sir! and Percy and the Monster of Brendam.
| Actor | Role |
|---|---|
 Michael AngelisNarrator (voice) | Narrator (voice) |
 Ben SmallThomas / Toby (voice) | Thomas / Toby (voice) |
 Keith WickhamGordon / Whiff / The Fat Controller / James / Percy / The Great Composer / Edward / Salty / Woodsman / Henry (voice) | Gordon / Whiff / The Fat Controller / James / Percy / The Great Composer / Edward / Salty / Woodsman / Henry (voice) |
 Teresa GallagherRosie / Emily / Mavis / Duchess of Boxford (voice) | Rosie / Emily / Mavis / Duchess of Boxford (voice) |
| MMatt WilkinsonCharlie / Cranky / Winston / Farmer Trotter / Rocky / Butch (voice) | Charlie / Cranky / Winston / Farmer Trotter / Rocky / Butch (voice) |
 Kerry ShaleDiesel (voice) | Diesel (voice) |
 Ben ForsterMr. Perkins | Mr. Perkins |