Trivia

Son-in-law of Desi Arnaz and Lucille Ball.

Brother-in-law of Desi Arnaz Jr. and Amy Arnaz.

Was nominated for Broadway's 1977 Tony Award as Best Actor (Featured Role - Play) for Michael Cristofer's "The Shadow Box".

Immediately accepted the role of Mr. Spock's long-missing half-brother Sybok in Star Trek V: The Final Frontier (1989) after William Shatner saw him perform as President Lyndon B. Johnson in his one-man stage show on PBS.

Father, with Robin Strasser, of sons Nicholas Luckinbill and Ben Luckinbill. Father, with Lucie Arnaz, of sons Simon Luckinbill, Joe Luckinbill, and daughter Katharine Luckinbill. Uncle of Lana Wachowski, Lilly Wachowski and Haley Arnaz.

Had worked with the U.S. State Department for two years as a theater director, writer and lecturer in both Italy and Africa. Had worked for two years as a theater lecturer at Queensborough Community College, City University of New York.

Best known by the public for his role as Mr. Spock's long-missing half-brother Sybok in Star Trek V: The Final Frontier (1989), which, coincidentally, (as of 2018) is also his final feature film role.

He and his wife Lucie Arnaz have toured with each other in theatrical productions such as Neil Simon's "They're Playing Our Song". They both won an Emmy Award for Best Outstanding Informative Special as executive producers for the documentary movie Lucy and Desi: A Home Movie (1993).

Has written and performed in several one-man stage shows based upon the lives of U.S. president Theodore Roosevelt, immortal U.S. lawyer Clarence Darrow, and immortal author Ernest Hemingway. Has also performed around the United States in his one-man stage show based upon the life of U.S. president Lyndon B. Johnson.

Received his Bachelor of Arts degree in Theatre (acting) from the University of Arkansas in Fayetteville, Arkansas (1958). Received his Master of Fine Arts degree in Playwriting from the Catholic University of America in Washington, D.C. (1958). Attended New York University (1980) and studied drama at HB Studio in Greenwich Village, New York City.

In the early 1970s, he was a commercial spokesperson for Trans World Airlines (TWA), appearing in several television commercials for the United States airline.

Formerly resided with his wife Lucie Arnaz in Katonah, New York and maintained a work office in nearby Ridgefield, Connecticut.

Currently resides with his wife Lucie Arnaz in Fairfield County's Weston, Connecticut. (October 2012)

Parents were Laurence Benedict and Agnes (nee Nulph) Luckinbill.

Luckinbill is a longtime member of the Roman Catholic Church.