Can you work out this week's two Secret Themes?

Each group of 10 otherwise unrelated tough questions has a theme running through its answers. Can you answer the questions and figure out the themes? Answers will be posted early next week.

Lyon's Den

1) Who won the 1962 Oscar for Best Actor for his role in To Kill a Mockingbird?
2) What band featured Eric Clapton, Jeff Beck and Jimmy Page serially as lead guitarists?
3) What 2002 movie won the Oscar for Best Original Song for "Lose Yourself"? The movie was set in Detroit in 1995.
4) What song won the Grammy Award for the year's best single for 1968? It went to #2 on the US pop charts in January 1968 and was eventually inducted into the Grammy Hall of Fame.
5) What child actor (now a well regarded adult actor) played the lead in Steven Spielberg's movie Empire of the Sun?
6) Tom Selleck turned down the role of Indiana Jones because of a TV commitment. What show was he working on?
7) Actor C. Thomas Howell played what role in the early '80s movie The Outsiders?
8) Who played John Connor in the 1991 movie Terminator 2: Judgment Day?
9) What actress had major roles in Irreconcilable Differences, Alan Quartermain and the Lost City of Gold and Total Recall?
10) For what 1989 film did Daniel Day-Lewis win the Oscar for Best Actor?

... and what theme links the ten answers?

Ray's Happy Birthday Bar

Event called off owing to ice storm.

Dirty Frank's

1) What '90s sit-com told the story of Paul and Jamie Buchman?
2) What Agatha Christie mystery is said by some to be based in the demise of starlet Gene Tierney?
3) What 1985 movie was advertised with the tagline "For over 2,000 years, Europe has survived many great disasters. Now for the real test..."?
4) What 2002 movie featured Adam Sandler as Barry Egan?
5) What Beatles song from their 1968 double LP The Beatles (a.k.a. "The White Album") makes lyrical reference to six other Beatles songs that had been released previously?
6) What 2001 movie starred Kirsten Dunst and Jon Hernandez?
7) What New York hardcore punk band was founded in Queens in 1984 by brothers Lou and Pete Koller?
8) What 1981 Hall & Oates album featured 3 Top Ten songs, including two #1 hits, one of which was also the title of the album?
9) What Latin abbreviation, the full phrase of which translates as "one may see", is usually read aloud in English as "namely" or "to wit"?
10) Maricopa County is one of the most populous counties in the United States. What is its largest city?

... and what theme links the ten answers?