Everything but the Truth is a 1956 film comedy directed by Jerry Hopper.
 It stars Maureen O'Hara and John Forsythe.
Sean McClory (8 March 1924 – 10 December 2003) was an Irish actor whose career spanned six decades and included well over 100 films and television series.
Ethel Barrymore (born Ethel Mae Blythe; August 15, 1879 – June 18, 1959) was an American actress and a member of the Barrymore family of actors.
 Barrymore was a preeminent stage actress regarded as "The First Lady of the American Theatre" whose career spanned six decades.
John Forsythe (born either John Lincoln Freund or Jacob Lincoln Freund; January 29, 1918 – April 1, 2010) was an American stage, film/television actor, producer, narrator, drama teacher and philanthropist whose career spanned six decades.
 He also appeared as a guest on several talk and variety shows and as a panelist on numerous game shows.
Tony Curtis (born Bernard Schwartz; June 3, 1925September 29, 2010) was an American film actor whose career spanned six decades but who was mostly popular in the 1950s and early 1960s.
 He acted in more than 100 films in roles covering a wide range of genres, from light comedy to serious drama.
 In his later years, Curtis made numerous television appearances.
Donald Woods (December 2, 1906 – March 5, 1998) was a Canadian-American film and television actor whose career in Hollywood spanned six decades.
Barbara Bel Geddes (October 31, 1922 – August 8, 2005) was an American actress, artist, and children's author, whose career spanned six decades.
 She was best known for her starring role in the television drama series "Dallas" as matriarch Miss Ellie Ewing.
 Bel Geddes also starred in the original Broadway production of "Cat on a Hot Tin Roof" in the role of Maggie.
 Her notable films included Alfred Hitchcock's "Vertigo" (1958) and "I Remember Mama" (1948).
 She was the recipient of several acting awards and nominations throughout her career.
Virginia Sale (May 20, 1899 – August 23, 1992) was an American character actress whose career spanned six decades, during most of which she played older women, even when she was in her twenties.
 Over the 46 years she was active as an actress, she worked in films, stage, radio and television.
 She was famous for her one-woman stage show, "Americana Sketches", which she did for more than 1,000 performances during a 15-year span.
Sir John Hurt, CBE (1940–2017) was an English actor and voice actor whose career spanned six decades.
 He had roles in over 130 films with dozens of television roles.
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Gregori Mikhailovich Chmara (Ukrainian: Хмара Григорій Михайлович, Russian: Хмара Григорий Михайлович; 29 July 1878 - 3 February 1970) was a Ukrainian-born stage and film actor whose career spanned six decades.

Question: Everything but the Truth stars Maureen O'Hara and what actor who was an American stage, film, and television actor, whose career spanned six decades?
Answer: John Forsythe