A nervous ad executive creates havoc on his daughter's wedding day and becomes obsessed with a dream girl he keeps seeing everywhere but whom he can't catch.

Tom Smothers
as Timothy Westerby

Twiggy
as Polly Perkins

Phil Silvers
as Psychiatrist

Sylvia Syms
as Ursula Westerby

Jim Backus
as Mr. Perkins

Broderick Crawford
as Gas Station Attendant

Martin Balsam
as Elmer Babcock

John Terry
as Nicholas Babcock

Geoffrey Sumner
as Gerald Drimond

Hermione Baddeley
as Daphne Drimond