A series of misunderstandings leaves a married man believing he has impregnated the owner of an adoption agency, and that she will be his and his wife's surrogate.

Doris Day
as Isolde Poole

Richard Widmark
as August 'Augie' Poole

Gig Young
as Dick Pepper

Gia Scala
as Estelle Novick

Elisabeth Fraser
as Alice Pepper

Elizabeth Wilson
as Miss MacCracken

Vikki Dougan
as Gladys Dunne, actress

Doodles Weaver
as Escort

Charles Wagenheim
as Day Motel Man

Robert B. Williams
as Night Motel Man (as Robert Williams)