Cast

Jean Lefebvre

Eugène Ballanchon, scientific researcher, single

Maria Latour

Régine, Mr. Beauchard's spy

Bernard Blier

Mr. Beauchard, executive secretary linked to a gang

Michel Serrault

Mr. Granger, director of the scientific laboratory

Pierre Tornade

DST inspector

Pierre Brasseur

Father Ballanchon

Margo Lion

Mrs. Ballanchon, Eugène's mother

Robert Dalban

Merchant, spy in the laboratory

Mario David

Mario

Henri Virlogeux

Scholar

Crew

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Jacques Besnard

Director (Directing)

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Pierre Charron

Set Decoration (Art)

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Henri Sonois

Set Decoration (Art)

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Robert Sussfeld

Production Manager (Production)

André Cagnard

Action Director (Directing)

Alain Poiré

Delegated Producer (Production)

Michel Berreur

Stunts (Crew)

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Jacques Martin

Props (Art)

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Bernard Gérard

Music (Sound)

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Mireille de Tissot

Production Manager (Production)