Question: Interval starred Merle Oberon who fell in love with her co-star most known for his role in what?

Context articles: A Song to Remember
The Battle (1934 film)
Honeymoon in Bali
Merle Oberon
Charles Korvin
Robert Wolders
Dark Waters (1944 film)
I, Claudius (film)
Lydia (film)
Interval (film)

A Song to Remember is a 1945 Columbia Pictures Technicolor biographical film which tells a fictionalised life story of Polish pianist and composer Frédéric Chopin.
 Directed by Charles Vidor, the film starred Cornel Wilde (as Chopin), Merle Oberon (as George Sand), Paul Muni (as Józef Elsner), Stephen Bekassy (as Franz Liszt), and Nina Foch.
The Battle is a 1934 Franco-British co-production English language drama film directed by Nicolas Farkas and Viktor Tourjansky, and starring Charles Boyer, Merle Oberon and John Loder.
 It was adapted from a novel by Claude Farrère.
 In 1904 during the Russo-Japanese War, a Japanese naval officer gets his wife to seduce a British attaché in order to gain secrets from him.
 Things begin to go wrong when she instead falls in love with him.
Honeymoon in Bali is a 1939 American romantic comedy film.
 It is also known by the alternative title Husbands or Lovers and My Love For Yours.
 Virginia Van Upp's screenplay was based on the short stories "Our Miss Keane" by Grace Sartwell Mason in "The Saturday Evening Post" of 24 May 1923 and "Free Woman" by Katharine Brush in "Redbook" magazine from Nov-Dec 1936.
 In 1936 Paramount announced a film of "Our Miss Keane" to star Merle Oberon to be produced.
Merle Oberon (born Estelle Merle O'Brien Thompson, 19 February 191123 November 1979) was an Anglo-Indian actress.
 She began her film career in British films as Anne Boleyn in "The Private Life of Henry VIII" (1933).
 After her success in "The Scarlet Pimpernel" (1934), she travelled to the United States to make films for Samuel Goldwyn.
 She was nominated for an Academy Award for Best Actress for her performance in "The Dark Angel" (1935).
 A traffic collision in 1937 caused facial injuries that could have ended her career, but she soon followed this with her most renowned performance in "Wuthering Heights" (1939).
Charles Korvin (November 21, 1907 – June 18, 1998) was a film and television actor.
 The Hungarian actor (born Géza Korvin Kárpáthy) moved to the United States in 1940 after studying at the Sorbonne.
 Korvin made his stage debut on Broadway in 1943 using the name Geza Korvin.
 After signing a movie contract with Universal Pictures, he changed his stage name to Charles Korvin.
 He worked steadily through the 1940s, including appearing in three films with actress Merle Oberon.
 In the 1950s, after leaving Universal, he played a number of "villain" roles in films and television including a Russian agent named Rokov in "Tarzan's Savage Fury" starring Lex Barker as the title character.
 In 1957, he became a naturalized citizen of the United States.
 On television, he played The Eagle on Disney's Zorro and played Latin dance instructor Carlos on The Honeymooners episode "Mama Loves Mambo."
 In 1959 he starred in the US/UK television series "Interpol Calling".
 Korvin died at the age of 90 in Manhattan.
Robert Wolders (born 28 September 1936) is a Dutch television actor.
 Most known for his role in the television series "Laredo" and appearing in series such as "The Man from U.N.C.L.E.", "Bewitched", and "The Mary Tyler Moore Show".
 He was also the husband of Merle Oberon and longtime partner of Audrey Hepburn.
Dark Waters is a 1944 Gothic film noir based on the novel of the same name by Francis and Marian Cockrell.
 It was directed by Andre DeToth and starred Merle Oberon, Franchot Tone and Thomas Mitchell.
I, Claudius is an unfinished 1937 film adaptation of the novels "I, Claudius" (1934) and "Claudius the God" (1935) by Robert Graves.
 Produced by Alexander Korda, the film was directed by Josef von Sternberg, with Charles Laughton in the title role.
 The production was dogged by adverse circumstances, culminating in a car accident involving co-star Merle Oberon that caused filming to be ended before completion.
 Footage from the production was incorporated into a 1965 documentary on the making of the film, "The Epic That Never Was".
Lydia is a 1941 drama film, directed by Julien Duvivier.
 It stars Merle Oberon as Lydia MacMillan, a woman whose life is seen from her spoiled, immature youth through bitter and resentful middle years, until at last she is old and accepting.
 It is a remake of Duvivier's "Un carnet de bal" (1937), which starred Marie Bell as the leading character.
Interval is a 1973 romantic drama film starring Merle Oberon in her final performance.
 Oberon also produced the movie, and fell in love with her co-star in it, Robert Wolders, divorcing her husband to marry Wolders in 1975.