Agent Elvis

Matthew McConaughey

Elvis (voice)

Kaitlin Olson

CeCe Ryder (voice)

Johnny Knoxville

Bobby Ray (voice)

Niecy Nash-Betts

Bertie (voice)

Tom Kenny

Scatter (voice)

Don Cheadle

The Commander (voice)

Jason Mantzoukas

Howard Hughes (voice)

Priscilla Presley

Priscilla Presley (voice)

Asif Ali

Doyle (voice)

Ed Helms

Robert Goulet (voice)

Chris Elliott

Timothy Leary (voice)

Christina Hendricks

Roxanne Ryder (voice)

Fred Armisen

Charles Manson (voice)

Baz Luhrmann

The Director (voice)

Gary Cole

President Nixon (voice)

George Clinton

George Clinton (voice)

Ego Nwodim

Zara (voice)

Simon Pegg

Paul McCartney (voice)

Craig Robinson

Jackie (voice)

Kieran Culkin

Gabriel Wolf (voice)