Examples for such incestuous relationships abound: Ronald Reagan, the cinematic president was also a presidential movie star.
"Moral Deliberations in Modern Cinema"
Sam Vaknin
That spindling sparseness, worse than utter baldness, of the wheat stubble now disappeared with cinematic suddenness, and our train was running past stretches of vineyard, where, among the green and purple and yellow ranks, the vintagers, with their donkeys and carts, were gathering the grapes in the paling light of the afternoon.
"Familiar Spanish Travels"
W. D. Howells
I thought I'd get a bite to eat and take in a movie, maybe, but if I'm due out at six, I'll forego the cinematic diversion.
"The Penal Cluster"
Ivar Jorgensen (AKA Randall Garrett)