Rose Byrne Jackie Q
Kristen Bell Sarah Marshall
Sean Combs Sergio Roma
Jonah Hill Aaron Green
Jason Segel Characters, Co-Producer
Tom Felton Tom Felton
Nick Kroll Kevin McLean
Ellie Kemper Pinnacle Executive
Elisabeth Moss Daphne Binks
Jake Johnson Jazz Man
Judd Apatow Producer
Christine Nguyen Lap Dancer in Vegas
Dee Snider Dee Snider
Carla Gallo Destiny
Meghan, Duchess of Sussex Tatiana
Stephanie Faracy Wendy
Nicholas Stoller Director, Writer, Producer
T.J. Miller Brian
Colm Meaney Jonathan Snow
Russell Brand Aldous Snow
Mario López Self
Kristen Schaal Today Show Production Assistant
Aziz Ansari Matty Briggs
Derek Theler Standard Guest
Jessica Ellerby Club Girl in London
Tonya Kay Model
Lino Facioli Naples
Kimberly Greene Makeup Department Head
Natalina Maggio Hot Club Dancer
P!nk Self
Anne Fletcher Choreographer
Lars Ulrich Self
Ato Essandoh Smiling African Drummer
Christina Aguilera Self
Rick Schroder Ricky Schroder
Jeff Dashnaw Stunt Coordinator, Second Unit Director
Lindsey Broad Pocket Dial Girl
Joe Bucaro III Stunts
Jamie Sives Aldous's Mate in London
Pharrell Williams Self
Rodney Rothman Producer
José Ramón Rosario Limousine Driver in NY
Rino Romano Announcer (voice)
G.A. Aguilar Stunt Coordinator
Carlos Jacott Navigator Driver in Vegas
Meredith Vieira Meredith Vieira
Jeffry C. Voorhees Assistant Property Master
Shigeharu Tomotoshi Visual Effects
Nicole Abellera Hallman Casting Associate
Kali Hawk Kali Coleman
Lori Agostino Assistant Art Director
Oakley Lehman Stunt Double
Joyful Drake Sergio's Baby Mama
Tony van Silva Old Man on Bike
Thom 'Coach' Ehle Dolby Consultant
Robert D. Yeoman Director of Photography
David A. Seekins Second Assistant "A" Camera
Jim Piddock Limousine Driver in London
Jill Brown Stunts
John Boccaccio First Assistant "A" Camera
Da'Vone McDonald Sergio's Security Guard
Leslie A. Pope Set Decoration
Ellen H. Schwartz Unit Production Manager
Chris Wilson London Executive
Matt Leonard Stunts
Doc Duhame Stunts
Kurt Loder Kurt Loder
Jeanne McCarthy Casting
Leo Corey Castellano Special Effects Makeup Artist
Michael L. Sale Editor
Jonathan Ryland Servant Dude
Daniel J. Leahy Sound Re-Recording Mixer