Nacho Vidal has a Groucho Marx number of 4.

Nacho Vidal
was in
Va a ser que nadie es perfecto
with
Jordi Bosch
was in
La febre d'Or
with
Álvaro de Luna
was in
Sonny and Jed
with
Telly Savalas
was in
Joys
with
Groucho Marx