• 
  Gene Saks

  regizor

• 
  Neil Simon

  scenarist

• 
  Jack Lemmon

  Felix Ungar
• 
  Walter Matthau

  Oscar Madison
• 
  John Fiedler

  Vinnie
• 
  Herb Edelman

  Murray
• 
  David Sheiner

  Roy
• 
  Larry Haines

  Speed

• 
  Carole Shelley

  Gwendolyn Pigeon
• 
  Angelique Pettyjohn

  Go-Go Dancer
• 
  Billie Bird

  Chambermaid
• 
  Bill Baldwin

  Sports Announcer
• 
  Monica Evans

  Cecily Pigeon
• 
  Ted Beniades

  Barman
• 
  Iris Adrian

  Waitress

• 
  Larry Haines

  Speed