Dean Martin as Jason Steel

Elizabeth Montgomery as Mellisa Morris

Carol Burnett as Stella Irving

Martin Balsam as Sanford Kaufman

Jill St. John as Toby Tobler

Richard Conte as Leonard Ashley

Macha Méril as Jacqueline Edwards

Louis Nye as Harry Tobler

Yoko Tani as Isami Hiroti

Jack Soo as Yoshimi Hiroti

Dianne Foster as Mona Kaufman

Elliott Reid as Tom Edwards

Johnny Silver as Charlie

Elisabeth Fraser as Dora Ashley

Steve Clinton as Sam Jones

Daniel Ocko as Lawyer

Allison Hayes as Mrs. Grayson

Delia Salvi as Sculptress

Templeton Fox as Nurse

Lee Sabinson as