<Table> <Tr> <Td> </Td> <Td> This section's plot summary may be too long or excessively detailed . Please help improve it by removing unnecessary details and making it more concise . (August 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section's plot summary may be too long or excessively detailed . Please help improve it by removing unnecessary details and making it more concise . (August 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> Shirley (Loretta Devine), the main character of the film, goes to visit Dr. Evans (Philip Anthony - Rodriguez) with her longtime family friend, Aunt Bam (Cassi Davis) about her cancer and finds out that it has gotten worse, and that she may only have a few months to live . She asks Aunt Bam to call her children so she can tell them . Cora and Mr. Brown (David and Tamela Mann) are also at the hospital, to get Mr. Brown a check - up . Dr. Evans tells them he has to do a colonoscopy on Mr. Brown, and they find a growth that needs to be removed surgically . Meanwhile, Madea (Tyler Perry) furiously and violently drives her car through a restaurant named' Smax', because they stopped serving breakfast for the day when she wanted a biscuit sandwich, and because the manager had been very rude to her . </P> <P> Shirley's children Byron (Shad "Bow Wow" Moss), Tammy (Natalie Desselle - Reid), and Kimberly (Shannon Kane) arrive at Shirley's house later that day for a dinner Shirley has planned for them in order to tell them the sad news about her recent prognosis from Dr. Evans . Byron arrives with his girlfriend Renee (Lauren London) and his baby Byron Jr . Tammy arrives with her husband Harold (Rodney Perry) and their two kids . Just before they arrived, Tammy and Harold had been fighting about the directions to the house, and subsequently carry their argument into the house with them . Kimberly arrives with her husband Calvin (Isaiah Mustafa). Tammy and Kimberly continue to argue when Byron's ex-girlfriend Sabrina (Teyana Taylor) also arrives . Sabrina is Byron's "baby mama", Byron Jr.'s biological mother, and she likes calling Byron a "drug dealer", since he was one when he was young and got arrested for it . She also loudly extends out the last vowel and consonant sounds of his name, just to annoy him and his family . On top of that, she also lies excessively, uses her son's child support money and supplies for herself, and also tries to goad Byron back into selling drugs, so she can get more money for herself in the process . </P>

Who played the doctor in madea's big happy family