Peter Ford

Character: Wilbur Steele (as Tom Shea)

Keith McConnell

Character: Dr. Wednesday

Larisa Schubert

Character: Dr. Karen Muller / Dr. Kristine Muller

Stuart Lancaster

Character: W.W.

Elizabeth Knowles

Character: Dr. Mona Brigstick (as Lisa Grant)

Patrick M. Legrand

Character: Dr. William Mawson

Shelley Mynatt

Character: Flip

Catherine Phillippe

Character: Angelique

James Anthony

Character: The Bull

Sue Silla

Character: W.W.'s Girlfriend

Frank Belt

Character: Hunter

Edward Murphy

Character: Listener

Larry Verdugo

Character: Young Lawyer

Candy Nash

Character: Suzy Polo

Lewis Clark

Character: Mr. Thermometer

Diane Cope

Character: Miss Thermometer

Susan Bergdahl

Character: Conception Room Girl

Jeannie Anderson

Character: Conception Room Girl (as Jeanie Anderson)

Neola Graef

Character: Conception Room Girl

Jane Tsentas

Character: Conception Room Girl

Zerrin Arbesh

Character: Conception Room Girl

Barbara Mills

Character: Conception Room Girl (uncredited)

Ronee Blakley

Character: (uncredited)