Question: Were John Schlesinger and Robert Redford both actors?

Context paragraphs:
The Sting: The Sting is a 1973 American caper film set in September 1936, involving a complicated plot by two professional grifters (Paul Newman and Robert Redford) to con a mob boss (Robert Shaw).  The film was directed by George Roy Hill, who had directed Newman and Redford in the western "Butch Cassidy and the Sundance Kid".  Created by screenwriter David S. Ward, the story was inspired by real-life cons perpetrated by brothers Fred and Charley Gondorff and documented by David Maurer in his book "The Big Con: The Story of the Confidence Man".

Robert Redford: Charles Robert Redford Jr. (born August 18, 1936) is an American actor, director, producer, businessman, environmentalist, and philanthropist.  He is the founder of the Sundance Film Festival.

Joseph Janni: Joseph Janni (21 May 1916 – 29 May 1994) was a British film producer best known for his work with John Schlesinger.  He was born into a Jewish family in Milan, Italy and became interested in filmmaking while at university.  He emigrated to England in 1939, and once Italy declared war against England was briefly interned in Metropole Camp on the Isle of Man.  He soon became involved in the British film industry and worked his way up to producer.  He produced the first films of Schlesinger and Ken Loach.

John Schlesinger: John Richard Schlesinger, CBE ( ; 16 February 1926 – 25 July 2003) was an English film and stage director, and actor.  He won an Academy Award for Best Director for "Midnight Cowboy", and was nominated for two other films ("Darling" and "Sunday Bloody Sunday").

Katharine Schlesinger: Katharine Schlesinger, is a British actress niece of the film director John Schlesinger and great-niece of Dame Peggy Ashcroft.  She starred as Catherine in the 1986 film adaptation of Jane Austen's "Northanger Abbey".

Far from the Madding Crowd (1967 film): Far from the Madding Crowd is a 1967 British epic drama film adapted from Thomas Hardy's book of the same name.  The film, starring Julie Christie, Alan Bates, Terence Stamp and Peter Finch, and directed by John Schlesinger, was Schlesinger's fourth film (and his third collaboration with Christie).  It marked a stylistic shift away from his earlier works exploring contemporary urban mores.  The cinematography was by Nicolas Roeg and the soundtrack was by Richard Rodney Bennett.  He also used traditional folk songs in various scenes throughout the film.

Sundance Group: In 1969, Robert Redford purchased 6000 acre at the base of 12000 ft Mount Timpanogos in Utah's Wasatch Mountains.  He named this land Sundance (after his character in the 1969 film "Butch Cassidy and the Sundance Kid").  The Sundance Group is a listing of all the businesses that run under the Sundance corporate umbrella started by and run by actor Robert Redford.

Arthur M. Schlesinger Jr.: Arthur Meier Schlesinger Jr. ( ; born Arthur Bancroft Schlesinger; October 15, 1917 – February 28, 2007) was an American historian, social critic, and public intellectual.  The son of the influential historian Arthur M. Schlesinger Sr. and a specialist in American history, much of Schlesinger's work explored the history of 20th-century American liberalism.  In particular, his work focused on leaders such as Harry S. Truman, Franklin D. Roosevelt, John F. Kennedy, and Robert F. Kennedy.  In the 1952 and 1956 presidential campaigns, he was a primary speechwriter and adviser to the Democratic presidential nominee both times, Adlai Stevenson II.  Schlesinger served as special assistant and "court historian" to President Kennedy from 1961 to 1963.  He wrote a detailed account of the Kennedy administration, from the 1960 presidential campaign to the president's state funeral, titled "A Thousand Days: John F. Kennedy in the White House", which won the 1966 Pulitzer Prize for Biography or Autobiography.

The Chase (1966 film): The Chase is a 1966 Technicolor American drama film in Panavision directed by Arthur Penn and starring Marlon Brando, Jane Fonda, and Robert Redford, about a series of events set into motion by a prison break.  Because one of the two escapees is Charlie "Bubber" Reeves (Redford), wrongly assumed to be responsible for a murder, the escape causes a stir in a nearby town where Bubber is a well-known figure.  The supporting cast features E. G. Marshall, Angie Dickinson, Janice Rule, Miriam Hopkins, Martha Hyer, and Robert Duvall.

Cold Comfort Farm (film): Cold Comfort Farm is a 1995 British comedy film directed by John Schlesinger and produced by the BBC and Thames Television, an adaptation of Stella Gibbons' 1932 book of the same name, the film stars Kate Beckinsale, Joanna Lumley, Ian McKellen and Rufus Sewell.  Originally broadcast on 1 January 1995 on the BBC, it was Schlesinger's final film shot in his home country of Britain, and was picked up for theatrical release in North America through Gramercy Pictures, where it was a small success.

Supporting paragraphs: John Schlesinger Robert Redford
Answer: yes