Finding My Father
How the two men got to this point is the subject of Grenier's documentary A Shot in the Dark, which will debut June 6 on HBO. Made with friend Jonathan Davidson in the summer of 2001—three years before Grenier, 31, landed his breakout role as Vinnie Chase on Entourage—the film follows Grenier's quest to reconnect with a man he had once called "Daddy" but hadn't seen or spoken to since he was 6. "I didn't necessarily think I needed a father," Grenier tells PEOPLE, "but you start to wonder, 'Who am I? Does a father really matter?'"
"No" was the message Grenier got growing up in New York City with Karesse, an ex-flower child turned real-estate broker who was 25 when she met Dunbar on a commune in upstate New York. "I was teaching yoga and dance to children," Karesse, 56, recalls. "John wrote beautiful poetry. We had a connection." Soon enough, they had a baby on the way, someone Dunbar hoped would bind him and Karesse together. "When she told me she was pregnant, I wanted to be there," says Dunbar, a 56-year-old special-education teacher who bears little physical resemblance to his blue-eyed son. Karesse saw things differently. "I was pushing John away," she admits. "I knew he wasn't right for me. I told him I wanted to be free." Discovering love letters from another man in Karesse's luggage, Dunbar walked away. "I didn't know what to do," he recalls.
Growing up, Grenier saw his father, who lived in Ohio, a handful of times. Then, after a contentious trip, the visits stopped. "I used to call his house and his wife would hang up on me," Grenier says. "After a while, you don't call so much." (In a moving scene in the film, Dunbar's wife, Debbie, tearfully tells Grenier that she was unable to have children and felt threatened by him. They have since grown close.) A creative kid who loved musical theater, he went on to attend Bard College, dropping out after a year and a half. Grenier stayed in touch with Dunbar's parents, Carl and Esther Dunbar, in Lancaster, Ohio. "My grandmother sent me cards," Grenier says. "Because of her, I felt connected. And I always thought about my dad."
That connection hit home when, on Father's Day 2001, Grenier called his grandfather and was shocked to hear Dunbar's voice. Suddenly the reality of making a film about the meaning of fatherhood became clear. "I realized," Grenier says, "this is life, not just a creative project." For Dunbar, the call was the answer to a long-held, if little acted-upon, wish. "I'd thought about him all the time," says Dunbar, who agreed to be in Grenier's film as a way to reconnect with his son. "I had some fears he would make me a villain, but I wanted to see him so much."
And so, a few months after that first call, father and son hugged on Dunbar's front lawn. There was some talk of the past, but no recrimination, both agree. They went fishing, strummed guitars. And since that time, they've stayed in touch. Dunbar has been to his son's home in Los Angeles, and they spent last Christmas together in Ohio. "I have regret that I could have done more," Dunbar says. "But I can't go back and redo what was wrong. I can only go ahead with my son now." And what of Grenier's question—does a father matter? "My father," Grenier says, "makes me feel safe and complete. Maybe I can do that for a child someday."
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