Vincent Lansdale Buckley, 64, who served in the Office of Strategic Services during World War II and then with the Central Intelligence Agency until his retirement in 1974, died of cancer Sunday at a hospital in La Jolla, Calif.

During World War II, Mr. Buckley was a naval officer assigned to the OSS. After the war, when the OSS was disbanded, he became a member of the Central Intelligence Group and then joined the CIA when it was established in 1947.

He was head of the fiscal office and had been assistant chief of the finance office at CIA headquarters in Virginia before being assigned to head the CIA's San Diego office in 1958. He was resident officer of the San Diego office until his retirement.

Mr. Buckley was born and reared in Washington. He earned a law degree from the old National University Law School in 1939, after attending Georgetown and George Washington universities.

As a young man, Mr. Buckley worked for the Connecticut Avenue leather goods firm of Camalier & Buckley, of which his father, the late Robert E. Buckley, was cofounder.

Survivors include his wife, the former Frances Johnson, children, Carol and Neal Buckley, Maureen Santelmann and Patricia Teaff, and his mother, Lorene Buckley, all of La Jolla; a son, Brian, of Bakersfield, Calif.; a brother, Robert Jr., of New York City, and three grandchildren. grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the San Diego Historical Society or to the Globe Theater Restoration Fund, Balboa Park, San Diego.