Appeared as a contestant on the original "The Dating Game" (1965) in 1967. Lost to Spencer Leyton, a college student.
At age 12, he was the drummer for the hit rock act Dino, Desi, & Billy. Dino was Dean Paul Martin, Dean Martin's son. Billy was Billy Hinsche. They had a top 40 hit in 1965 with "I'm A Fool".
Brother-in-law of Laurence Luckinbill.
He and his wife, Amy Arnaz, have an adopted daughter, Haley Arnaz, who is also a performer.
He appeared on the first cover of TV Guide (April 1953) with mother Lucille Ball.
His marriage to Linda Purl was very brief (1980-81), but they have remained long-lasting friends. Linda has performed her cabaret show at Arnaz' Boulder Theatre in Boulder City, Colorado, with Desi even singing a couple of numbers with her and playing drums for a number or two. He and Linda also co-starred together in a 1998 production of "Love Letters".
Nephew of Fred Ball and Kenny Morgan.
Portrayed his own father, Desi Arnaz in The Mambo Kings (1992).
Son of Desi Arnaz and Lucille Ball.
Stepson of Gary Morton.
Was believed to be the biological father of Patty Duke's oldest son Sean Astin until the two men developed a friendship and agreed to blood testing in the 1990s.
Younger brother of Lucie Arnaz.