[3] The first of three children born to Italian immigrants Maria Cataldi and Edward Spaziani, she was five years old when her family moved from Michigan to Fontana, California.

After graduating from Chaffey High School,[1] she began her 50-year acting career in 1955 with a short film for the U.S. government.

On May 5, 1955, Lawson was dubbed "Miss Cue"[4][5] in reference to a series of nuclear tests conducted by the US military under "Operation Teapot," and publicized as "Operation Cue" in a short film distributed by the US Federal Civil Defense Administration.

[6] She appeared in several television series, including Alfred Hitchcock Presents; The Alfred Hitchcock Hour; Maverick starring James Garner, as Clint Eastwood's "other woman" in the episode "Duel at Sundown"; James Michener's Adventures in Paradise, as recurring character "Renee" in six episodes; Don't Call Me Charlie!, in which she portrayed "Pat Perry" for eighteen episodes; Ben Casey, seen as "Laura Fremont" for nine episodes; M Squad; Overland Trail, and Wagon Train, co-starring with Raymond Massey as the princess of a lost Aztec settlement.

Lawson also appeared in two episodes of Bonanza, It Takes a Thief, ER; The Virginian, Mr. Lucky, Perry Mason, The Real McCoys, The Aquanauts, Sea Hunt; Tales of Wells Fargo, 77 Sunset Strip; Hawaiian Eye; Border Patrol, Colt .45, Peter Gunn, Mickey Spillane's Mike Hammer and The Tall Man among many others.