Christina Aguilera Self
Rose Byrne Jackie Q
Kristen Bell Sarah Marshall
Jonah Hill Aaron Green
Tom Felton Tom Felton
Meghan, Duchess of Sussex Tatiana
Jason Segel Characters, Co-Producer
Jake Johnson Jazz Man
Colm Meaney Jonathan Snow
Elisabeth Moss Daphne Binks
Ellie Kemper Pinnacle Executive
Nick Kroll Kevin McLean
Russell Brand Aldous Snow
T.J. Miller Brian
Nicholas Stoller Director, Writer, Producer
Judd Apatow Producer
Kristen Schaal Today Show Production Assistant
Ato Essandoh Smiling African Drummer
Pharrell Williams Self
Carla Gallo Destiny
Aziz Ansari Matty Briggs
P!nk Self
Meredith Vieira Meredith Vieira
Jamie Sives Aldous's Mate in London
Anne Fletcher Choreographer
Christine Nguyen Lap Dancer in Vegas
Sean Combs Sergio Roma
Dee Snider Dee Snider
Mario López Self
Stephanie Faracy Wendy
Rodney Rothman Producer
Rino Romano Announcer (voice)
Lindsey Broad Pocket Dial Girl
Robert D. Yeoman Director of Photography
José Ramón Rosario Limousine Driver in NY
Jeanne McCarthy Casting
Kali Hawk Kali Coleman
Derek Theler Standard Guest
Oakley Lehman Stunt Double
Joe Bucaro III Stunts
Jessica Ellerby Club Girl in London
Jim Piddock Limousine Driver in London
Sarah Haskins Girl in Crowd at Standard Hotel
Tonya Kay Model
Lino Facioli Naples
Brandon Johnson Pinnacle Executive
Nicole Abellera Hallman Casting Associate
Chris Wilson London Executive
Natalina Maggio Hot Club Dancer
Karl Theobald Duffy Servant Dude
Carlos Jacott Navigator Driver in Vegas
Doc Duhame Stunts
Jeff Dashnaw Stunt Coordinator, Second Unit Director
Lars Ulrich Self
G.A. Aguilar Stunt Coordinator
Rick Schroder Ricky Schroder
Da'Vone McDonald Sergio's Security Guard
Peter McManus Production Accountant
Gary Marcus First Assistant Director
Andrew Burlinson Hipster in Crowd at Standard Hotel
Matt Leonard Stunts
Kurt Loder Kurt Loder
Billy Bush Billy Bush
Hope Slepak Costume Supervisor
Ray Siegle Paparazzo in LA
Jonathan Ryland Servant Dude
Jill Brown Stunts
Troy Robinson Stunts
Jan Roelfs Production Design
Leslie A. Pope Set Decoration
Wendy Hoffmann ADR Voice Casting
Rob Inch Stunt Coordinator