Peter Sellers
Harold
Jo Van Fleet
Mother
Leigh Taylor-Young
Nancy
Joyce Van Patten
Joyce
David Arkin
Herbie
Herb Edelman
Murray
Salem Ludwig
Father
Louis Gottlieb
Guru
Grady Sutton
Funeral Director
Janet Clark
Mrs. Foley
Jorge Moreno
Mr. Rodriguez
Ed Peck
Man in Dress Shop
Jack Margolis
Big Bear
Eddra Gale
Love Lady
Carol O'Leary
Anita
Christian Brando
El Greco
Sidney Clute
Mechanic
Roy Glenn
Gas Station Attendant
Joe Dominguez
Grandfather Rodriguez
William Bramley
1st Patrolman
Vince Howard
2nd Patrolman
Robert Miller Driscoll
Crying Hippie
Karen McKevic
Crying Hippie's Wife
Paul Mazursky
Hippie on Sidewalk (uncredited)
Uschi Digard
Hippie Extra (uncredited)
Guy Way
Driver (uncredited)
Julian Rivero
Rodriguez Family Member (uncredited)
George DeNormand
Mourner (uncredited)
Ethelreda Leopold
Mourner (uncredited)
Lovyss Bradley
Mourner (uncredited)
Bobbie Shaw Chance
Maid of Honor (uncredited)
Hy Averback
Rabbi Conducting Wedding Ceremony (uncredited)
Alma Beltran
Rodriguez Family Member (uncredited)