The main cast of the movie "Why Did I Get Married?" (2007) includes:

• Tyler Perry as Dr. Terry Brock, a pediatrician
• Sharon Leal as Dianne Brock, an attorney
• Janet Jackson as Dr. Patricia Agnew, a psychologist
• Malik Yoba as Gavin Agnew, an architect
• Jill Scott as Sheila Jackson, a housewife
• Michael Jai White as Marcus Williams, a former professional football player
• Tasha Smith as Angela Williams, a hair salon owner
• Richard T. Jones as Mike, an entrepreneur
• Lamman Rucker as Sheriff Troy Jackson
• Denise Boutte as Trina
• Keesha Sharp as Pam
• Kaira Akita (credited as Kaira Whitehead) as Keisha

Tyler Perry also directed, wrote, produced, and starred in the film, which explores the challenges of maintaining strong relationships in modern times among four couples who are longtime friends.