The cast consisted of Bernard Menez as Doctor Green (Docteur Olive), Andréa Ferréol as Mrs Peacock (Madame Pervenche), André Pousse as Colonel Mustard (Colonel Moutarde), Marie-Pierre Casey as Mrs White (Madame Leblanc), David Brécourt as Professor Plum (Professeur Violet), and Carole Fantony as Miss Scarlett (Mademoiselle Rose).
The first sees six actors perform short drama on each show during which a murder is committed; secondly, two pairs of contestants must then find out who is the culprit, with what weapon and in which room of the castle.
[4] The host welcomed the contestants and their team captains Macha Beranger Patrick Prejean, and Detective Morin introduced the suspects and possible weapons.
[6] After viewing the entire pre-recorded footage, contestants must interview the Cluedo suspects, thus finding clues to advance the investigation and make accusations.
[6] After the candidates make a final accusation for a combination of murderer-weapon-room, the victim appears as a ghost to reveal the murderer, who confesses their crime and motives.
[4] After the broadcast of the first two episodes, the management at France 3, not being satisfied, asked for a new version of the game; host Christian Morin was replaced by Marie-Ange Nardi, and detective Yves Millon by Claude Rish.