Cimber was also the last husband of actress Jayne Mansfield, directing her on stage and in the film Single Room Furnished (1968), which was released after her death.

He went of to direct Off-Broadway plays, which included Young and Beautiful, an adaptation of the short stories of F. Scott Fitzgerald,[9] the U.S. premiere of works by Jean Cocteau (Antigone, Orphee, The Holy Terrors, Intimate Relations).

[24] Cimber proceeded to direct a string of "sexploitation films" under the pseudonyms "Gary Harper" and "Rinehart Segway," including Man and Wife (1969), Sex and Astrology (1971), and The Sensually Liberated Female (1970), which was based on a best-selling book, The Sensuous Woman by Joan Garrity.

[26][27][25][28] In 1976, Cimber ventured into psychological thrillers with The Witch Who Came from the Sea, starring Millie Perkins and Lonny Chapman, with cinematography by Oscar nominee Dean Cundey.

"[31] Cimber's next film, A Time to Die, was a World War II thriller based on a novel by Mario Puzo starring Rod Taylor and Rex Harrison in his final screen performance.

The following year, Cimber collaborated with actress Laurene Landon on the adventure films Hundra, which premiered at Cannes and featured a score by Ennio Morricone,[33] and Yellow Hair and the Fortress of Gold.

In 1986, Cimber co-created GLOW: Gorgeous Ladies of Wrestling, and served as executive producer and director of the syndicated television program.