Gere, Silva, and his son, Homer, at “The Agency” premiere in New York in November. AFP via Getty Images. The “Pretty Woman” star is dad to son Homer, 24, from his marriage to Carey Lowell.

It has been more than four decades since an Armani-clad Richard Gere slunk around Los Angeles in Paul Schrader’s “American Gigolo.” Now Gere, 75, and Schrader have reunited on “Oh, Canada ...