What has Billy Wirth starred in that Herbert Ross directed?

What has William E. Wirth (born June 23, 1962), better known as Billy Wirth, the Americanactor, film producer, and artist, best-known for his role in the 1987 film, The Lost Boys been someone who starred (was one of the principal performers) in that Herbert Ross (1927-2001), the director is the director (person who oversees acting and artistic direction) of the recorded production?

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Show reasoning Reasoning

I followed this chain of reasoning:

By calculation (generator: ["now@trueknowledge.com"]) I know that:
The current time is May 23rd 2013, 03:33:31

I know from locally stored knowledge that:
Billy Wirth is a star of Boys on the Side ([fact: ["128424712@trueknowledge.com"]])

Fact 1: Herbert Ross directed Boys on the Side ([fact: ["128424706@trueknowledge.com"]])

By calculation (generator: ["perm5@trueknowledge.com"]) I know that:
Fact 1 is true for all time

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 1 is true at May 23rd 2013, 03:33:31

I know from locally stored knowledge that:
permanent applies to directed ([fact: ["123931779@trueknowledge.com"]])

I used the following facts to provide this answer:

Billy Wirth is a star of Boys on the Side

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Herbert Ross is having the relationship 'directed' with Boys on the Side

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'directed' is permanent

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