After running out of funds, Henry Graham, a carefree playboy, plots to marry and murder wealthy botanist Henrietta Lowell.
Walter Matthau
as Henry Graham
Elaine May
as Henrietta Lowell
Jack Weston
as Andy McPherson
George Rose
as Harold
James Coco
as Uncle Harry
Doris Roberts
as Mrs. Traggert
Renée Taylor
as Sharon Hart
William Redfield
as Beckett
Graham Jarvis
as Bo
Jess Osuna
as Frank
David Doyle
as Mel
Fred Stewart
as Mr. von Rensaeller