Brigitte Bardot as Giuseppina (segment "William Wilson")

Alain Delon as William Wilson and his double (segment "William Wilson")

Jane Fonda as Contessa Frederique de Metzengerstein (segment "Metzengerstein")

Terence Stamp as Toby Dammit (segment "Toby Dammit")

Peter Fonda as Baron Wilhelm Berlifitzing (segment "Metzengerstein")

James Robertson Justice as Countess' Advisor (segment "Metzengerstein")

Salvo Randone as Priest (segment "Toby Dammit")

Françoise Prévost as Friend of Countess (segment "Metzengerstein")

Katia Christine as Girl on Dissection Table

Philippe Lemaire as Philippe

Serge Marquand as Hugues

John Karlsen as Schoolmaster (segment "William Wilson") (uncredited)

Maria Tedeschi as Woman (uncredited)

Milena Vukotić as TV Interviewer (segment "Toby Dammit") (uncredited)

Umberto D'Orsi as Hans (segment "William Wilson")

Daniele Vargas as University Professor (segment "William Wilson")

Ernesto Colli as Manetti Brother (segment "Toby Dammit") (uncredited)

Marie-Ange Aniès as Courtesan (segment "Metzengerstein")

Anny Duperey as Courtesan (segment "Metzengerstein") (uncredited)

Irina Maleeva as Gypsy Fortune Teller (Segment "Toby Dammit") (uncredited)

Alfredo Rizzo as Angry Man in Car (segment "Toby Dammit") (uncredited)

Marisa Traversi as Marilù Traversi (segment "Toby Dammit") (uncredited)

Marlène Alexandre as