[1] As a voice actor, Phillipson has dubbed roles from English-language films into Danish, including revoicing Johnny Depp as Willy Wonka in Charlie and the Chocolate Factory (2005).

[1] To audition in person for Jackie in Paris, Phillipson claimed sick leave from a Danish stage production called Don't Touch Nefertiti, missing five sold-out performances in a role that had been specially written for him.

[1][5][6] The Washington Post commented on the resemblance after photos from the film's set were released: "That thatch of hair, those white teeth, the smile lines around the eyes — all very Kennedyesque.

"[7] Prior to auditioning for the part, Phillipson said his resemblance to Kennedy had only been noticed when he spent time in the United States: "I did a workshop years ago with Frank Corsaro, this iconic American teacher — he was the leader of Actors Studio — and suddenly, in the middle of a different scene, he said in this gruff voice, 'You have to do Kennedy one day.

[8] Phillipson reprised the role of Kennedy again in a short film, performing a "lost" speech written for the president to deliver on 22 November 1963, the date of his assassination.