Jena Engstrom is the daughter of Actress Jean Engstrom (1920-1997) whose television career (1955-1966) overlapped her daughter’s and whose career also included movie and regional stage appearances. Most on-line databases and this article have listed only two of the three TV shows in which they appeared together. The first of the two shows listed is the April 1961 episode of the CBS program Rawhide titled "Incident of the Lost Idol" in which they appeared as mother and daughter. They had only one brief scene together as the story was not about their relationship. The second show listed is the January 1962 episode “To Sell Another Human Being” of ABC's The New Breed, starring Leslie Nielsen, in which mother Jean played a wealthy woman who with her husband (played by Richard Arlen) adopt a baby through an adoption mill. The police get involved when the baby's natural mother, played by daughter Jena, tries to get her baby back. The third television show in which they appeared together is an unidentified 30-minute religious program presented in 1961 in which they played mother and daughter. In this story a girl (Jena) has trouble relating to her parents until a session with teenagers at a church is recorded and the recording made available to the parents to Listen to. Appearing in this show with Jean and Jena Engstrom are Robert Stevenson as Jena’s father and Richard Evans as her boyfriend. This film, minus the opening and closing credits, has been posted on-line.

Jena Engstrom began acting after graduating from high school and first appeared on television in the 1960 episode "Adopted" of the ABC crime drama, The Detectives Starring Robert Taylor. She appeared in some thirty-seven television programs before making her final appearance opposite guest star Robert Culp in the 1964 episode, "The Stallion", of NBC's The Virginian.

In June 1964, she was replaced again because of ill health by Davey Davison in the episode "Children of Calamity" of Richard Crenna's CBS drama series, Slattery's People.

In “The Education of Sarah Jane” episode of Have Gun, Will Travel, Engstrom appeared as Sarah Jane opposite guest star Duane Eddy in a story of the youngest members of feuding clans that have been killing one another for generations. For Paladin (Richard Boone) his task is to bring an end to the madness. In the “Milly” episode of Gunsmoke, she played Milly Glover, an impoverished teenager hoping to break herself and her younger brother (Billy E. Hughes) from their abusive and alcoholic father (Malcolm Atterbury. She tries to escape poverty through marriage to an older man, but the three men (James Griffith, Don Dubbins, and Harry Swoger) to whom she proposes reject her. She plots revenge. In the episode “Chester’s Indian”, Engstrom plays Callie Dill, the repressed daughter of a storekeeper (Karl Swenson) who is helping a wrongfully-detained Cheyenne brave (Eddie Little Sky) trying to return to his village. When Chester (Dennis Weaver) shoots and wounds the brave, Callie implores Chester to nurse him back to health. In 1962, in one of her three appearances on Rawhide, she had the title role of "The Child-Woman" in an episode also guest-starring Cesar Romero where in the storyline she plays a teenager willfully in the clutches of a domineering saloonkeeper. In 1961, she portrayed Laurie Manson in "The Incident of the Lost Idol". She retired from acting in 1964, not long after appearing on Wagon Train and in an episode of Perry Mason in which she plays Vera Janel in "The Case of the Illicit Illusion". Her final television appearance was on The Virginian in an episode broadcast in September 1964, "The Black Stallion". In that episode Engstrom portrays a rancher’s daughter in love with an alcoholic Veterinarian (Robert Culp), who has been drafted by The Virginian co-star Randy Boone to care for an abused stallion.