Question: Pete and Gladys starred an actor whose career spanned what time frame?

Context paragraphs:
Ralph Bellamy: Ralph Rexford Bellamy (June 17, 1904 – November 29, 1991) was an American actor whose career spanned 62 years on stage, screen and television.  During his career, he played leading roles as well as supporting roles, garnering acclaim and awards, including an Academy Award nomination for Best Supporting Actor for "The Awful Truth" (1937).

Harry Morgan: Harry Morgan (born Harry Bratsberg, April 10, 1915 – December 7, 2011) was an American actor and director whose television and film career spanned six decades.  Morgan's major roles included Pete Porter in both "December Bride" (1954–1959) and "Pete and Gladys" (1960–1962); Officer Bill Gannon on "Dragnet" (1967–1970); Amos Coogan on "Hec Ramsey" (1972–1974); and his starring role as Colonel Sherman T. Potter in "M*A*S*H" (1975–1983) and "AfterMASH" (1983–1984).  Morgan appeared in more than 100 films.

Michael Sharvell-Martin: Michael Sharvell-Martin (2 February 1944 – 28 October 2010) was a popular British television and stage actor whose career spanned more than three decades.  He was a familiar character actor on British television screens, guest starring in most prime time dramas and comedies throughout the seventies and eighties.

Michael Hordern: Sir Michael Murray Hordern, CBE (3 October 19112 May 1995) was an English stage and film actor whose career spanned nearly 60 years.  He is best known for his Shakespearean roles, especially that of King Lear, which he played to much acclaim on stage in Stratford-upon-Avon in 1969 and London in 1970.  He then successfully assumed the role on television five years later.  He often appeared in film, rising from a bit part actor in the late 1930s to a member of the main cast; by the time of his death he had appeared in nearly 140 cinema roles.  His later work was predominantly in television and radio.

Humphrey Bogart filmography: Humphrey Bogart was an American film actor whose career spanned nearly three decades.  During that time he appeared in 75 feature films, including "In a Lonely Place", "Angels with Dirty Faces", "Sabrina", "The Big Sleep", "To Have and Have Not", and "The Caine Mutiny".

Jimmy Hawkins: James F. Hawkins (born November 13, 1941), known as Jimmy Hawkins, and later, Jim Hawkins, is an American actor and film producer whose career began as a child actor to such Hollywood stars as Lana Turner, Spencer Tracy, James Stewart, and Donna Reed.  His acting career spans the time frame from 1944–1974, after which he devoted his energies to the production of films and later to his construction/contracting business.  Hawkins had starring roles in several television series: "The Ruggles" (1949–1952), "Annie Oakley" (1954–1957, syndicated), "The Donna Reed Show" (1958–1966, ABC), and "Petticoat Junction" (the first four seasons, 1963–1967, CBS).  He also had recurring roles as (1) a friend of the Nelson brothers on ABC's "The Adventures of Ozzie and Harriet" and (2) as Jonathan Baylor on CBS's "Ichabod and Me" sitcom with Robert Sterling and George Chandler in the 1961–1962 season.  He guest starred in many other programs during his childhood and young adult years, such as the CBS sitcom, "Dennis the Menace".

Joel McCrea: Joel Albert McCrea (November 5, 1905 – October 20, 1990) was an American actor whose career spanned almost 5 decades and appearances in over 90 films.  These films include Alfred Hitchcock's spy film "Foreign Correspondent" (1940), Preston Sturges' comedy classics "Sullivan's Travels" (1940), and "The Palm Beach Story" (1941), the romance film "Bird of Paradise" (1932), the adventure classic "The Most Dangerous Game" (1933), George Stevens' "The More the Merrier" (1941), and the titular character in the western classic "The Virginian" (1946).  With the exception of the British thriller film "Rough Shoot" (1953), McCrea only appeared in western films from 1946 to his retirement in 1976.  His most notable western is "Ride the High Country" (1962), in which he starred with Randolph Scott.

Pete and Gladys: Pete and Gladys is an American sitcom television series starring Harry Morgan and Cara Williams that aired on CBS on Mondays at 8:00 p.m. Eastern and Pacific time for two seasons, beginning on September 19, 1960.  The last episode was broadcast on September 10, 1962.

Julian Rivero: Julian Rivero (July 25, 1890 – February 24, 1976) was an American actor whose career spanned seven decades.  He made his film debut in the 1923 silent melodrama, "The Bright Shawl", which starred Richard Barthelmess, Dorothy Gish, William Powell, Mary Astor, and Edward G. Robinson.

Randolph Scott: George Randolph Scott (January 23, 1898 – March 2, 1987) was an American film actor whose career spanned from 1928 to 1962.  As a leading man for all but the first three years of his cinematic career, Scott appeared in a variety of genres, including social dramas, crime dramas, comedies, musicals (albeit in non-singing and non-dancing roles), adventure tales, war films, and a few horror and fantasy films.  However, his most enduring image is that of the tall-in-the-saddle Western hero.  Out of his more than 100 film appearances over 60 were in Westerns; thus, "of all the major stars whose name was associated with the Western, Scott most closely identified with it."

Supporting paragraphs: Pete and Gladys Harry Morgan
Answer: six decades