Switched at Birth 5×06 “Four Ages in Life” Season 5 Episode 6 Sneak Peek #3 – Daphne takes a volunteer job at a clinic for extra credit and comes face-to-face with her old mentor, Dr. Jackson (guest star Al White, “Grey’s Anatomy”). While eager to mend fences with him, she grows alarmed when it becomes obvious he’s having trouble properly treating his patients. Mingo (guest star Adam Hagenbuch, “Fuller House”) leads the annual “Kangaroo Krawl,” but Daphne sees his foolhardy behavior as a reaction to the regretful costume party incident. Bay finds Noelle (guest star Valery Ortiz, “Hit the Floor”) is plagiarizing her work and uses the discovery to negotiate her own chair. John and Kathryn make an effort to rekindle their romance. Regina is put in a precarious situation when she decides to expand her business.