Question: The New Perry Mason is a 1970s TV series that was a revival of the long-running hit television series of the 1950s and '60s, the series was made without the participation of any members of the original cast, with who taking over the role that Raymond Burr played in the original series?

Context articles: List of Perry Mason episodes
Marshall Kent (actor)
Russell S. Hughes
Raymond Burr
Rembrandt Pussyhorse
The Case of the Restless Redhead (Perry Mason)
Paul Genge
The New Perry Mason
Perry Mason (TV movies)
Sharon Acker

This is a list of episodes for "Perry Mason", an American legal drama series that aired on CBS television for nine seasons (September 21, 1957 – May 22, 1966).
 The title character, portrayed by Raymond Burr, is a fictional Los Angeles criminal defense lawyer who originally appeared in detective fiction by Erle Stanley Gardner.
 Many episodes are based on novels and short stories written by Gardner, with some stories having been adapted more than once.
Marshall Kent (October 6, 1908 - January 15, 1985) was an American television and film actor who appeared in 30 television series or films between 1956 and 1977.
 He was best known for his role as "Doc" in the 1958 spoof of "Gunsmoke" presented as an episode of "Maverick" starring James Garner entitled "Gun-Shy."
 He also appeared in various other series including "Dragnet" with Jack Webb, "Perry Mason" with Raymond Burr, "The Deputy" with Henry Fonda, "The Gray Ghost", "The Millionaire", "Highway Patrol" with Broderick Crawford, "General Electric Theater", "The Loretta Young Show", "Dennis the Menace", "The Thin Man", "Room 222", "The Wonderful World of Disney", "The Doris Day Show", and "Little House on the Prairie".
 He was also a supporting player in films including "Beyond the Valley of the Dolls", "The Decks Ran Red" with James Mason and Dorothy Dandridge, "Teenage Thunder", "Ring of Fire" with David Janssen, and "The Last Voyage" with Robert Stack and Dorothy Malone.
Russell S. Hughes (January 15, 1910 – April 16, 1958) was a screenwriter of movies such as "Them!
"; "Thunder Over the Plains" with Randolph Scott; Anthony Mann's "The Last Frontier" with Victor Mature and Robert Preston; "Yellow Mountain" with Mala Powers; "Jubal" with Ernest Borgnine and Rod Steiger; and a host of others and a variety of episodes for television series including "Maverick" episodes "According to Hoyle" and "The Seventh Hand," both featuring James Garner as Bret Maverick and Diane Brewster as Samantha Crawford, as well as "The Burning Sky" and Robert Louis Stevenson's "The Wrecker."
 Other series include "Perry Mason" with Raymond Burr, "Zane Grey Theater", and both the movie "Sugarfoot" with Randolph Scott and the unrelated TV series "Sugarfoot".
Raymond William Stacy Burr (May 21, 1917September 12, 1993) was a Canadian-American actor, primarily known for his title roles in the television dramas "Perry Mason" and "Ironside".
 He was prominently involved in multiple charitable endeavors, such as working on behalf of the United Service Organizations.
Rembrandt Pussyhorse is the second full-length studio album by American experimental rock band Butthole Surfers, released in April 1986.
 All songs were written and produced by Butthole Surfers, except "American Woman", which was written by Randy Bachman, Burton Cummings, Jim Kale, and Garry Peterson of The Guess Who, and "Perry", which borrows the tune from the theme music to the old "Perry Mason" TV show starring Raymond Burr.
"The Case of the Restless Redhead" is the premiere episode of the CBS television series "Perry Mason".
 Adapted from the 1954 novel of the same title by Erle Stanley Gardner, this episode marked the beginning of Raymond Burr's long-running portrayal of the famous fictional lawyer.
Paul Morgan Genge (29 March 1913 Brooklyn, New York – 13 May 1988 Los Angeles, California) was an actor from the 1950s through to the late 1970s.
 Genge is most famous for his role as the shotgun toting gray-haired mob hitman 'Mike' in the 1968 film "Bullitt" (his character is the passenger in the black 1968 Dodge Charger during the famous car chase that goes out of control and causes his death and the driver's).
 Other film roles include that of a payoff man in "The Outfit" (1973), a California Highway Patrol officer in 1967's "Hot Rods to Hell", Whitey, a communist suspect in "The FBI Story" (1959) and Lieutenant Hagerman in "North By Northwest" (1959).
 He also appeared on many television shows from the 1950s, 1960s, and 1970s.
 He played in four episodes of "Perry Mason", starring Raymond Burr; in three of the roles he played a law-enforcement officer, such as San Francisco Inspector Wade in "The Case of the Poison Pen Pal" in 1962.
 In his final appearance in 1966 he played Bud in "The Case of the Sausalito Sunrise."
 Ironically, in that episode he and his comrade, in attempting to hijack goods from a truck driven by Paul Drake, are killed when their car loses control and rolls down the cliff, somewhat similar to the chase scene in "Bullitt".
The New Perry Mason is a 1970s TV series that was a revival of the long-running hit television series of the 1950s and '60s about Erle Stanley Gardner's brilliant defense attorney.
 While several production personnel had worked on the original "Perry Mason" series (including executive producer Cornwell Jackson, producers Ernie Frankel and Art Seid, and director Arthur Marks), the series was made without the participation of any members of the original cast, with Monte Markham taking over the role that Raymond Burr played in the original series.
 Produced by 20th Century Fox Television, it aired Sundays at 7:30 pm (EST) on CBS, the same network which had aired the original series, during the 1973-74 season.
 A total of 15 episodes were produced and aired.
The Perry Mason TV movies (1985–95) are a successful series of 30 television films aired on NBC as a sequel to the popular CBS-TV series "Perry Mason".
 After a hiatus of nearly 20 years, Raymond Burr reprised his role as Los Angeles defense attorney Perry Mason in 26 of the television films.
 Following Burr's death in 1993, Paul Sorvino and Hal Holbrook starred in the remaining four that aired from 1993 to 1995.
Sharon Acker (born April 2, 1935) is a Canadian film, stage, and television actress and model.
 Acker appeared mostly on television in Canada and the United States from 1956–1992.
 She played Della Street, Perry Mason’s loyal secretary in "The New Perry Mason".
 Her film roles include "Lucky Jim", "Point Blank" and "Don't Let the Angels Fall".