- Fred Benavente
- Ollie B. Bommel
- Trudy Libosan
- Tom Poes
- Luc Lutz
- Joost
- Lo van Hensbergen
- Burgemeester Dickerdack
- Joan Remmelts
- Commissaris Bulle Bas
- André van den Heuvel
- Bul Super
- Gees Linnebank
- Hiep Hieper
- Ger Smit
- Zielknijper / Markies de Canteclaer (voice)
- Arnold Gelderman
- Journalist Argus
- Will Van Selst
- Redacteur Phant
- Paul Haenen
- Grootgrut
- Fred Emmer
- Nieuwslezer
- Tonny Huurdeman
- Doddeltje / Mevrouw Bas (voice)
- Elly Van Stekelenburg
- Mevrouw Dickerdack
- Maya Bouma
- Hoofdverpleegster
- Harrie Geelen
- Wammes Waggel
- Georges Atlas
- Georges Atlas
- Roger Carel
- Olivier
- Philippe Dumat
- Jonas / Dr Zinzin (voice)
- John Hostetter
- Yost / Ram Shop Owner / Mr. Waddle / Officer Fuzznose (voice)
- Morgan Lofting
- Mrs. Snooper / Mrs. Dickerdack (voice)
- Dave Mallow
- Mr. Tusker / Doctor Lockjaw / Newscaster (voice)
- Mona Marshall
- Kit Cat / Miss Fluff / Mrs. Tusker (voice)
- Michael McConnohie
- Mayor Dickerdack
- Burgess Meredith
- Bul Super
- Patrick Préjean
- Bodubec / M. Marquis (voice)
- Hervé Rey
- Timpousse
- Maurice Sarfati
- L'épicier / Annonceur télé (voice)
- Sacco van der Made
- Brigadier Snuf
- Jeff Winkless
- Chief Snooper / Bul Super / Marquis de Canteclaer (voice)
- Jack Angel
- Gack
- Gregg Berger
- Oliver B. Bear
- Earl Boen
- Mr. Tusker
- Corey Burton
- Mr. Waddle
- Brian Cummings
- Yost
- Jennifer Darling
- Kit Cat
- Hank Garrett
- Chief of Police Snooper
- Rob Paulsen
- Doctor
