The Stallone Brothers
This actor is known for his role as John Rambo in all five Rambo films and Rocky Balboa in Rocky. Sylvester Stallone has a younger brother, Frank, who not everyone realizes is his brother. Frank isn’t as successful as Sylvester, but he is an actor. He’s had a few smaller roles like the singer in the Rocky franchise. He was also in Return of the Roller Blade Seven and Zero Dark Thirty.
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While he doesn’t exactly take his acting career seriously, he is a great singer-songwriter. He wrote “Far from Over” from the movie Staying Alive in 1983. The song even won a Golden Globe for the Best Original Song from a Motion Picture, and it was nominated for a Grammy Award for the Best Album of Original Score Written for a Motion Picture or Television Special.