<Table> <Tr> <Th> Name </Th> <Th> Actor / actress </Th> <Th> Starring seasons </Th> <Th> Recurring seasons </Th> <Th> Occupation at Grey Sloan ( or its predecessors ) </Th> <Th> Job Title </Th> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> April Kepner </Td> <Td> Sarah Drew </Td> <Td> 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 </Td> <Td> 6 </Td> <Td> Attending Trauma Surgeon </Td> <Td> M.D. , FACS </Td> </Tr> <Tr> <Td colspan="6"> First introduced as a surgical resident from Mercy West Hospital during the merger , April Kepner is fired by Richard Webber in Season 6 due to a mistake she made that cost a patient her life . She is later rehired by Derek Shepherd during his run as Chief because he believes her dismissal was unfair , and she eventually develops a crush on him , despite his marriage to Meredith Grey . In the Season 6 finale , she tells him that her best friend , Reed Adamson , has been shot and killed . She later runs into Mr. Clark ( the shooter ) when Derek is shot . Clark lets her go when she emotionally tells him everything about her life . Although April becomes Chief Resident in the Season 7 finale , she fails to pass her Medical Boards and is later fired from Seattle Grace ; however , she asked to come back by Owen Hunt because of her strong work ethic , and she later passes her boards . At her wedding to EMT Matthew Taylor , her best friend and former fling , Jackson Avery , realizes he still loves April and stands up , professing his love . Jackson and April run off and elope ; soon after , it is discovered that April is pregnant . However , Jackson and April learn that their unborn baby has a fatal condition , and April is forced to give birth to their stillborn son , Samuel , which causes tension between her and Jackson . Although they get divorced in Season 11 , April gives birth to their daughter , Harriet , in the Season 12 finale after they have a one - night stand . In Season 14 , April has a crisis of faith following the death of a patient but eventually rediscovers her connection with God . </Td> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> Nathan Riggs </Td> <Td> Martin Henderson </Td> <Td> 12 , 13 , 14 * </Td> <Td> N / A </Td> <Td> Attending Cardio - thoracic Surgeon </Td> <Td> M.D. , FACS </Td> </Tr> <Tr> <Td colspan="6"> Nathan is introduced in Season 12 as Owen Hunt 's old friend from the army . Though they used to be best friends , Owen is not happy with Nathan 's appearance , and it is later revealed that the cause of their feud is that Owen blames Nathan for his sister , Megan 's , disappearance almost 10 years ago . Nathan and Megan were engaged , but Nathan had cheated on her in the days leading up to her kidnapping . Still , Nathan works hard at Grey Sloan Memorial as an attending cardiothoracic surgeon , where he works under Maggie Pierce . Eventually , Owen and Nathan make up , just as Nathan spontaneously sleeps with Meredith Grey in the back of her car . After they sleep together , Nathan realizes his feelings for Meredith , as they both bond over the loss of a loved one , and continuously pursues her . Though Meredith resists his advances for some time after finding out that Maggie likes him , she eventually gives in and sleeps with him during a hectic plane ride , thus beginning their relationship . They date for some time until Megan is found . Nathan and Megan try to resume their relationship , but it struggles to take off when Megan believes that Nathan is still in love with Meredith . Still , with Meredith 's pushing , Nathan brings home Megan 's son , Farouk , from Iraq , showing that he truly loves Megan . Nathan departs from Grey Sloan Memorial after he , Megan , and Farouk move to Los Angeles to restart their lives . </Td> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> Benjamin `` Ben '' Warren </Td> <Td> Jason George </Td> <Td> 12 , 13 , 14 </Td> <Td> 6 , 7 , 8 , 9 , 10 , 11 </Td> <Td> Attending Anesthesiologist , General Surgical Resident </Td> <Td> M.D. </Td> </Tr> <Tr> <Td colspan="7"> Ben Warren is introduced as an anesthesiologist from Mercy West Hospital in Season 6 . He also becomes boyfriend of Miranda Bailey until she breaks
<Table> <Tr> <Th> Name </Th> <Th> Actor / actress </Th> <Th> Starring seasons </Th> <Th> Recurring seasons </Th> <Th> Occupation at Grey Sloan ( or its predecessors ) </Th> <Th> Job Title </Th> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> April Kepner </Td> <Td> Sarah Drew </Td> <Td> 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 </Td> <Td> 6 </Td> <Td> Attending Trauma Surgeon </Td> <Td> M.D. , FACS </Td> </Tr> <Tr> <Td colspan="6"> First introduced as a surgical resident from Mercy West Hospital during the merger , April Kepner is fired by Richard Webber in Season 6 due to a mistake she made that cost a patient her life . She is later rehired by Derek Shepherd during his run as Chief because he believes her dismissal was unfair , and she eventually develops a crush on him , despite his marriage to Meredith Grey . In the Season 6 finale , she tells him that her best friend , Reed Adamson , has been shot and killed . She later runs into Mr. Clark ( the shooter ) when Derek is shot . Clark lets her go when she emotionally tells him everything about her life . Although April becomes Chief Resident in the Season 7 finale , she fails to pass her Medical Boards and is later fired from Seattle Grace ; however , she asked to come back by Owen Hunt because of her strong work ethic , and she later passes her boards . At her wedding to EMT Matthew Taylor , her best friend and former fling , Jackson Avery , realizes he still loves April and stands up , professing his love . Jackson and April run off and elope ; soon after , it is discovered that April is pregnant . However , Jackson and April learn that their unborn baby has a fatal condition , and April is forced to give birth to their stillborn son , Samuel , which causes tension between her and Jackson . Although they get divorced in Season 11 , April gives birth to their daughter , Harriet , in the Season 12 finale after they have a one - night stand . In Season 14 , April has a crisis of faith following the death of a patient but eventually rediscovers her connection with God . </Td> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> Nathan Riggs </Td> <Td> Martin Henderson </Td> <Td> 12 , 13 , 14 * </Td> <Td> N / A </Td> <Td> Attending Cardio - thoracic Surgeon </Td> <Td> M.D. , FACS </Td> </Tr> <Tr> <Td colspan="6"> Nathan is introduced in Season 12 as Owen Hunt 's old friend from the army . Though they used to be best friends , Owen is not happy with Nathan 's appearance , and it is later revealed that the cause of their feud is that Owen blames Nathan for his sister , Megan 's , disappearance almost 10 years ago . Nathan and Megan were engaged , but Nathan had cheated on her in the days leading up to her kidnapping . Still , Nathan works hard at Grey Sloan Memorial as an attending cardiothoracic surgeon , where he works under Maggie Pierce . Eventually , Owen and Nathan make up , just as Nathan spontaneously sleeps with Meredith Grey in the back of her car . After they sleep together , Nathan realizes his feelings for Meredith , as they both bond over the loss of a loved one , and continuously pursues her . Though Meredith resists his advances for some time after finding out that Maggie likes him , she eventually gives in and sleeps with him during a hectic plane ride , thus beginning their relationship . They date for some time until Megan is found . Nathan and Megan try to resume their relationship , but it struggles to take off when Megan believes that Nathan is still in love with Meredith . Still , with Meredith 's pushing , Nathan brings home Megan 's son , Farouk , from Iraq , showing that he truly loves Megan . Nathan departs from Grey Sloan Memorial after he , Megan , and Farouk move to Los Angeles to restart their lives . </Td> </Tr> <Tr> <Td colspan="6"> </Td> </Tr> <Tr> <Td> Benjamin `` Ben '' Warren </Td> <Td> Jason George </Td> <Td> 12 , 13 , 14 </Td> <Td> 6 , 7 , 8 , 9 , 10 , 11 </Td> <Td> Attending Anesthesiologist , General Surgical Resident </Td> <Td> M.D. </Td> </Tr> <Tr> <Td colspan="7"> Ben Warren is introduced as an anesthesiologist from Mercy West Hospital in Season 6 . He also becomes boyfriend of Miranda Bailey until she breaks
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April Kepner
April Kepner