The 3rd Voice
The 3rd Voice( also known as The Third Voice) is a 1960 American thriller crime drama film directed and written by Hubert Cornfield, who also produced the film with Maury Dexter.
It is based on the novel" All the Way" by Charles Williams and stars Edmond O' Brien, Laraine Day( in her final film), and Julie London.
Hanro Smitsman
Hanro Smitsman, born in 1967 in Breda( Netherlands), is a writer and director of film and television.
Brian Johnson (special effects artist)
Brian Johnson( born 1939 or 1940) is a British designer and director of film and television special effects.
Ian Barry (director)
Ian Barry is an Australian director of film and TV.
Rachel Feldman
Rachel Feldman( born August 22, 1954) is an American director of film and television and screenwriter of television films.
Superstar (1990 film)
Superstar is a 1990 Indian Malayalam film, directed by Vinayan, starring Madanlal and Jagathy Sreekumar in the lead roles.
Vinayan
Vinayan( born 16 May 1960) is an Indian film director, screenwriter, producer, and lyricist, who works predominantly in Malayalam cinema and occasionally in Tamil cinema.
Peter Levin
Peter Levin is an American director of film, television and theatre.
Howard W. Koch
Howard Winchel Koch( April 11, 1916 – February 16, 2001) was an American producer and director of film and television.
Hubert Cornfield
Hubert Cornfield( February 9, 1929 — June 18, 2006) was a film director in Hollywood.
He was born in Istanbul, Turkey, and died in Los Angeles, California.
Billy Wilder, William Wyler and Joseph L. Mankiewicz all signed his Directors Guild of America( DGA) application.
He moved to the US as a refugee in 1941.
He received attention for a short film he made" The Color is Red" which attracted the interest of 20th Century Fox.

Question: Do director of film The 3rd Voice and director of film Superstar (1990 film) share the same nationality?
Answer: no