Here's Lucy (1968)

Lucy Carter, a widow with two teen children, takes a job as a secretary for her stuffy brother-in-law.

Director:

Cast: Lucille Ball, Gale Gordon, Lucie Arnaz, Desi Arnaz Jr., Sid Gould, Mary Jane Croft, Vanda Barra, Walter Smith, Shirley Anthony, Mary Wickes, Orwin C. Harvey, Larry J. Blake, Bob Whitney, Marl Young, Gary Morton, Vivian Vance, Jack Collins, Tommy Farrell