It Happened at the World's Fair

Elvis Presley character Mike Edwards
Joan O'Brien character Diane Warren
Gary Lockwood character Danny Burke
Vicky Tiu character Sue-Lin
H.M. Wynant character Vince Bradley
Edith Atwater character Miss Steuben
Guy Raymond character Barney Thatcher
Dorothy Green character Miss Ettinger
Kam Tong character Uncle Walter Ling
Yvonne Craig character Dorothy Johnson
Jacqueline deWit character Mrs. Johnson (uncredited)
Kurt Russell character Child who kicks Mike at the fair (uncredited)
Olan Soule character Mr. Johnson (uncredited)
Russell Thorson character Sheriff Garland (uncredited)
Red West character Fred (uncredited)