Are buddy and joan hackett related?

No, Buddy and Joan Hackett are not related. Buddy Hackett was an American comedian and actor known for his roles in films such as "The Love Bug" and "It's a Mad, Mad, Mad, Mad World." Joan Hackett was also an American actress known for her work in films and television, including her Academy Award-nominated role in the film "Only When I Laugh." Despite sharing the same last name, there is no familial relationship between the two actors.