 Angela LansburyMiss Price | Miss Price |
 David TomlinsonEmelius | Emelius |
 Roddy McDowallMr. Jelk | Mr. Jelk |
 Sam JaffeBookman | Bookman |
 John EricsonCol. Heller | Col. Heller |
 Bruce ForsythSwinburne | Swinburne |
| CCindy O'CallaghanCarrie | Carrie |
| RRoy SnartPaul | Paul |
 Ian WeighillCharlie | Charlie |
| TTessie O'SheaMrs. Hobday | Mrs. Hobday |
 Arthur Gould-PorterCapt. Greer | Capt. Greer |
| BBen WrigleyPortobello Rd. Workman | Portobello Rd. Workman |
 Reginald OwenGen. Teagler | Gen. Teagler |
 Cyril DelevantiElderly Farmer | Elderly Farmer |
| RRick TraegerGerman Sergeant | German Sergeant |
| MManfred LatingGerman Sergeant | German Sergeant |
 John OrchardPlaster Vendor | Plaster Vendor |
 Bob HoltCodfish (voice) | Codfish (voice) |
 Lennie WeinribSecretary Bird / Lion (voice) | Secretary Bird / Lion (voice) |
 Dal McKennonBear (voice) | Bear (voice) |
| LLeon AltonSoldier at Portobello Road (uncredited) | Soldier at Portobello Road (uncredited) |
 Conrad BachmannGerman Soldier (uncredited) | German Soldier (uncredited) |
 Frank BakerPortobello Road Passerby (uncredited) | Portobello Road Passerby (uncredited) |
 Don BarclayPortobello Road Passerby (uncredited) | Portobello Road Passerby (uncredited) |
 Jack BerlePortobello Road Passerby (uncredited) | Portobello Road Passerby (uncredited) |
| JJane BettsSpectator at Emelius' Failed Magic Performance (uncredited) | Spectator at Emelius' Failed Magic Performance (uncredited) |
| EEric BrothersonMan (uncredited) | Man (uncredited) |
| PPatrick Sullivan BurkeSoldier (uncredited) | Soldier (uncredited) |
| CCharles CirilloPortobello Road Passerby (uncredited) | Portobello Road Passerby (uncredited) |
| RRobert ColePortobello Road Passerby (uncredited) | Portobello Road Passerby (uncredited) |
