Elvis Presley as Scott Hayward / 'Tom Wilson'

Shelley Fabares as Dianne Carter

Will Hutchins as Tom Wilson / 'Scott Heyward'

Bill Bixby as James J. Jamison III

Gary Merrill as Sam Burton

James Gregory as Duster Heyward

Suzie Kaye as Sally

Harold Peary as Doorman at Shores Hotel

Marj Dusay as Waitress

Jack Good as Hathaway

Olga Kaya as Gigi

Angelique Pettyjohn as Gloria

Sam Riddle as Announcer

Wallace Earl as Ellie (as Amanda Harley)

Sue England as Cigarette Girl

Lee Krieger as Bartender

Arlene Charles as Olive

Steve Cory as Bellhop

Teri Garr as Dancer (uncredited)

Corbin Bernsen as Boy at Playground (uncredited)

Lee Majors as Man in Restaurant (uncredited)

Red West as Ice Cream Vendor (uncredited)

Robert P. Lieb as Mr. Barasch (uncredited)

Melvin F. Allen as Crewman (uncredited)

Herb Barnett as Waiter (uncredited)

Charlie Hodge as Mr. Hayward's Barber (uncredited)

Jonathan Kramer as Dancer at Clambake Party (uncredited)

Anita Mann as Dancer (uncredited)

Dal McKennon as Gas Station Attendant (uncredited)

Christopher Riordan as Beach Boy (uncredited)

Linda Gaye Scott as Blonde at clambake party with white guitar. (uncredited)

Lisa Slagle as Lisa (uncredited)

Roberta Tennes as Dancer (uncredited)