Larri Thomas was the original "Bill-board Girl" on the ABC Television Saturday night variety "The Hollywood Palace". During the Hollywood production-television 1963-1964 season, Larri Thomas was one of choreographer Tom Hansen's dancers on the CBS Television series, "Red Skelton Hour". Hired by Nick Vanoff for his ABC "Hollywood Palace" variety show, Larri was featured at the conclusion of each show, joining the host with a billboard sheet listing the next week's host and variety guest line-up. Frequently late for rehearsals, and performance days, because of the drive from CBS-TV-Fairfax to Hollywood, conflicting show rehearsal-taping schedules, Vanoff replaced Larri with Raquel Welch after the sixth taping.

Her mother is author Lida Larrimore Turner.

Larri Thomas, appeared with Tony Curtis, Dean Martin and Janet Leigh in the 1960 feature film "Who Was That Lady?". Larri Thomas joined the NBC-TV musical comedy variety series "The Dean Martin Show" (1965-1974), featured as the "girl" in every comedy sketch.

In 1955, Larri Thomas, featured as one of the "Goldwyn Girls" cast in Samuel Goldwyn's filmed Broadway Musical "Guys and Dolls," starring Marlon Brando, . In 1958, Larri Thomas was cast in MGM's Rogers and Hammerstein II "South Pacific" Broadway musical film starring Mitzi Gaynor.