Roland Carey as Giasone / Jason

Ziva Rodann as Creusa

Alberto Farnese as Adrasto

Massimo Girotti as Orfeo

Nadia Sanders as Gaia

Luciano Marin as Euristeo

Alfredo Varelli as Argo

Cathia Caro as Aglaia

Gil Delamare as Alceo

Maria Teresa Vianello as Olivia - Sorella di Gaia

Nando Tamberlani as Padre di Aglaia

Alberto Sorrentino as Licaone

Massimo Pianforini as Padre di Argo

Paolo Gozlino as Laerte

Raf Baldassarre as Antinoo

Nando Angelini as Compagno di Giasone

Takis Kavouras as

Franco Gentili as

Jacques Stany as Compagno di Giasone

Gualberto Titta as Membro del Consiglio

Alfredo Zammi as Membro del Consiglio

Salvatore Furnari as Nano

Pietro Tordi as Telamone

Raimondo Magni as Peleo

Giovanni Sabbatini as

Tino Vetrani as

Pietro Capanna as

Alice Clements as Prima ballerina

Fortunato Arena as Argonaut (uncredited)

Gabriella Ferrari as (uncredited)

Lilia Landi as (uncredited)

Moira Orfei as Atalanta (uncredited)

Piero Pastore as Cittadino di Jolco (uncredited)

Franco Sertili as Membro del Consiglio (uncredited)