Annika Marks as Monte Porter (season 2 - present), the principal at Anchor Beach Community Charter School. An attractive, personable professional woman, Monte wants to focus on administration, budget and finance, giving Lena control over student curriculum. Bianca A. Santos as Lexi Rivera (season 1, season 3): Mariana 's best friend and Jesus ' ex-girlfriend who moves to Honduras in "Honeymoon ''. She is also an undocumented immigrant. Jordan Rodrigues as Mat (season 2 - present): A guitarist in Lou 's band. Mariana has a small crush on him and they soon begin a relationship together. Alex Saxon as Wyatt (season 1 - present): Callie 's friend and on - again, off - again boyfriend. In "I Do '' Wyatt reveals that his mother is moving him to Indiana to live with his grandmother. He returns in "Metropolis '' and resumes his relationship with Callie. Madisen Beaty as Talya Banks (season 1, season 3): Brandon 's girlfriend in the beginning of the series before the two broke up. Brandon broke up with her due to her intense jealousy over Callie. After this, she remains Callie 's enemy. Alexandra Barreto as Ana Gutierrez (season 1 - present): Mariana and Jesus ' biological mother. She is a drug addict, and repeatedly tries to manipulate Mariana into giving her money to support her addiction. She even suggests that Mariana steal something from her parents in order to obtain more money for herself. Mike helps her to finally become sober and it is later revealed that she is pregnant and hopes to be a better mother than she was to Mariana and Jesus. April Parker Jones as Captain Roberts (season 1, season 4): Stef and Mike 's boss. Anne Winters as Kelsey (season 1): A girl who is sent to a rehab after having problems with drugs. She is a friend of Mariana 's, and after coming back from rehab, becomes her enemy because they both liked the same guy. Brandon W. Jones as Liam Olmstead (season 1 - present): A boy from one of Callie 's previous foster homes. Liam raped Callie while she was living with his family as a foster child and lied that she came onto him, resulting in her and Jude being forced out of the home. Justina Machado as Sofia "Sophia '' Rivera (season 1): Lexi 's protective and religious mother. Despite being religious, she and her husband support the LGBT community. Carlos Sanz as Ernesto Rivera (season 1): Sofia 's husband and Lexi 's father. Gavin MacIntosh as Connor Stevens (season 1 - season 3): Jude 's classmate, best friend and, later, love interest, who accepts Jude as he is and encourages him to express his true personality. In season two, he informs Jude that his dad thinks Jude is gay and does n't want him to spend time with Jude anymore because of it. Despite pressure from his dad, the two were able to maintain a friendship together. Later, it 's revealed that the two boys kissed while on a school camping trip in their shared tent together, a moment they have ignored ever since. As their friendship continues to evolve, their relationship becomes complicated. In the episode "Now Hear This '', they kiss on - screen for the first time and at the end of the next episode, Connor is shot in the foot and, in the next episode, officially comes out to his father and Jude. After finally being able to see Jude, they begin to officially date. In the mid-season 3 finale, Connor decides to move to Los Angeles to live with his mother due to his father 's continuing homophobia and inability to accept him. Though both are heartbroken, Connor and Jude agree to maintain a long - distance relationship and profess their love for each other for the first time. Amanda Leighton as Emma (season 1 - present): A girl on Jesus ' wrestling team who is known to be independent, semi-bossy and tom - boyish. She is a love interest for Jesus and the two began dating, but broke up due to her bossiness in their relationship. Julian De La Celle as Zac Rogers (season 1): A boy who worked on the school play with Mariana and was her first boyfriend. They dated until he had to move away to live with his dad when his mother was diagnosed with early on Alzheimer 's. Garrett Clayton as Chase (season 1, season 3): Mariana 's former love interest and star of the high school play. Jay Ali as Timothy (season 1 - present): Callie 's and Talya 's literature teacher. They call him by his first name. He was Stef and Lenas ' new baby 's biological father before the baby died due to pregnancy complications. Mary Mouser as Sarah (season 1 - 2): A foster child in Callie 's foster child support group who was staying with Liam and his family. Callie became worried for her safety upon learning Liam was with her. She was then taken out of Liam 's home after Callie confessed to Lena and Stef about Liam assaulting her. Sam McMurray as Frank Elkin (season 1): Stef 's late father, who struggled to accept Stef 's relationship with Lena. He dies in "Family Day '', deeply affecting Stef who regretted never making amends with him. Annie Potts as Sharon Elkin (season 1 - present): Stef 's supportive mother and ex-wife of Frank. Lorraine Toussaint as Dana Adams (season 1 - present): Lena 's mother who is oblivious to Lena 's biracial struggles. The two have something of a rocky relationship, due to Dana not seeing Lena as a "real '' African American woman, but Dana is there for Lena when she needs it. Stephen Collins / Bruce Davison as Reverend Stuart Adams (season 1 - present): Lena 's father. Daffany Clark as Daphne (season 1 - present): A girl in Callie 's group home who becomes one of her best friends. She has a young daughter who she intends to get back one day. Rosie O'Donnell as Rita Hendricks (season 1 - present): A leader of a group home who befriends Callie. Tom Phelan as Cole (season 1 - present): A transgender boy in Callie 's group home. Cherinda Kincherlow as Kiara (season 1 - present): Callie 's roommate as well as house sponsor while Callie is at Girls United. She offers Callie advice on how to survive at Girls United. Marla Sokoloff as Dani (season 1 - 2): Mike 's girlfriend and recovering alcoholic. She wants to help Brandon out in his daily struggles, even supporting his relationship with Callie until she breaks up with him. After she and Mike break up, she ends up having sex with a drunken Brandon. After this, she later gets back together with Mike. Despite trying to convince him to keep their one night stand a secret, Brandon confesses about having sex with her, therefore getting Dani arrested for statutory rape. Romy Rosemont as Amanda Rogers (season 1): Zac 's mother who suffers from Early - onset Alzheimer 's disease. Reiley McClendon as Vico (season 1 - 2): A boy on the wrestling team that brings Brandon in on the fake ID 's. After Brandon scares away all of his customers, he seeks revenge by jumping Brandon at night and breaking his hand. He is now attending military school and is on probation. Caitlin Carver as Hayley Heinz (season 2 - present): A dancer with Mariana on the dance team who has a secret relationship with Jesus before being dumped by him. Kerr Smith as Robert Quinn (season 2 - present): Callie 's biological father. He grows attached to Callie after getting to know her and, despite promising to hand her over to the Fosters, finds himself unable to give her up. He soon refuses to sign his abandonment papers, devastating Callie. Bailee Madison as Sophia Quinn (season 2 - present): Robert Quinn 's other daughter and Callie biological paternal half - sister, who wants to meet her. They develop a close relationship. In the summer finale, she reveals that when Robert tried to send the adoption papers, she ripped them up and threw them out so Callie could n't get adopted. After an upset Callie yells at Sophia, calling her a "spoiled little brat '', Sophia locks herself in the bathroom in tears. Ashley Argota as Lou (season 2 - present): An attractive singer in whom Brandon takes an interest.
who plays stephanie's mom on the fosters
Annie Potts