Elvis Presley as Greg Nolan

Michele Carey as Bernice

Don Porter as Mike Lansdown

Rudy Vallee as Louis Penlow

Dick Sargent as Harry

Sterling Holloway as Milkman

Celeste Yarnall as Ellen

Eddie Hodges as Delivery Boy

Joan Shawlee as Robbie's Mother

Mary Grover as Miss Selfridge

Emily Banks as RKC&P Receptionist

Michael Keller as Art Director

Merrill Ashley as 1st Secretary

Phyllis Davis as 2nd Secretary

Ursula Menzel as Perfume Model

Susan Shute as Model #1

Edie Baskin as Model #2

Gabrielle as Model #3

Ginny Kaneen as Model #4

Susan Henning as Mermaid

Morgan Windbiel as 1st Motorcycle Cop

Benjie Bancroft as 2nd Motorcycle Cop

Mari Aldon as Minor Role (uncredited)

Russ Bender as Editor (uncredited)

Larry Billman as Dream Sequence Dancer (uncredited)

Thordis Brandt as Blonde (uncredited)

Lonnie Burr as Cool Dude #2 (uncredited)

Ken Clayton as Party Guest (uncredited)

Ann Doran as Landlady (uncredited)

Brent Dunsford as Party Guest (uncredited)

Veronica Ericson as Woman #2 (uncredited)

Joe Esposito as Workman in Newspaper (uncredited)

John Hegner as Robbie Pussycat (uncredited)

George Holmes as Party Guest (uncredited)

Bruce Hoy as Dancer (uncredited)

Robert Isenberg as Minor Role (uncredited)

Marcia Mae Jones as Woman #1 (uncredited)

Jeff Lawrence as Party Guest (uncredited)

Britt Lomond as Cool Dude #3 (uncredited)

Brooke Mills as Model in Lobby (uncredited)

James Oliver as Cool Dude #1 (uncredited)

Murray Pollack as Man in Elevator (uncredited)

Vernon Presley as Model (uncredited)

Mitchell Rhein as Man in Elevator (uncredited)

Hal Riddle as Man in Elevator (uncredited)

Bartlett Robinson as Doctor (uncredited)

Hank Robinson as Crew Member (uncredited)

Gayle Rogers as Party Girl (uncredited)

Myrna Ross as Female Companion (uncredited)

Paul Sorensen as Workman (uncredited)

Norman Stevans as Man in Elevator (uncredited)

Mike Wagner as Bystander (uncredited)

Hiroko Watanabe as Masseuse (uncredited)

Red West as Newspaper Vendor (uncredited)

John Wheeler as Workman (uncredited)

Heidi Winston as Model (uncredited)

Morgan Jones as Minor Role (uncredited)