Cast of Get Him to the Greek

Aaron Green, played by Jonah Hill, is an ambitious record company intern who is given the career-making task of bringing a famous rock star to Los Angeles for a concert.

Aldous Snow, portrayed by Russell Brand, is a charismatic and unpredictable British rock star struggling with sobriety, whom Aaron must escort to the Greek Theatre.

Jackie Q, played by Rose Byrne, is the witty and seductive on-again, off-again girlfriend of rock star Aldous Snow.

Daphne Binks, characterized by Elisabeth Moss, is Aaron Green's supportive but testy girlfriend, dealing with the strain his job puts on their relationship.

Tyler McKinney appears as the African Child in an Aldous Snow music video, a moment highlighting the rock star's outlandish public persona.

Zöe Salmon plays herself in a cameo appearance, interacting with the main characters during the progression of the film.

Naples, a role taken by Lino Facioli, is a precocious child encountered by the main characters, further complicating their journey.

Eric Marshall is spotted as a concert goer, one of the numerous background individuals in the bustling music event scenes.

Lars Ulrich, a legendary musician, appears as himself in the movie, enhancing the film's portrayal of the music industry.

Mario López has a cameo as himself, offering a bit of Hollywood glitz to the film's depiction of entertainment culture.

The artist Pink plays herself, contributing to the movie's weave of real-life music industry elements with its fictional narrative.

Billy Bush appears as himself, drawing from his real-life experience as a television host to enrich the context of the movie's setting.