Rosalyn Bowen, known professionally as Roz Ryan, is an American actress, voice actress, singer, and comedian who provided the voice of Thalia in Hercules, Madam President in Buzz Lightyear of Star Command, Wade's mother in Kim Possible, and a cow in the Mickey Mouse episode "Movie Time", Ms. Fitzpatrick in Kick Buttowski: Suburban Daredevil, and additional voices in The Brave Little Toaster to the Rescue. Her live action roles include Grandma Gayle King in the sitcom K.C. Undercover and Miss Bertha in Raven's Home.
Ryan was born Rosalyn Bowen in Detroit, Michigan and graduated from Mackenzie High School. She has starred in numerous Broadway musicals including Ain't Misbehavin, Chicago, A Christmas Carol, Dreamgirls, One Mo' Time, and the 2006 revival of The Pajama Game.
She is also known for her role as Amelia Hetebrink on Amen with Sherman Hemsley. Her other live action appearances include Good News, All About the Andersons, General Hospital, Half & Half, JAG, Barbershop, and The Rickey Smiley Show. She has also lent her voice to animated shows like Teen Titans Go!, The Marvelous Misadventures of Flapjack, The Looney Tunes Show, Scooby-Doo! Mystery Incorporated, Summer Camp Island, and Adventure Time.
Her film credits include I Think I Love My Wife, The Invention of Lying, Waiting for Forever, Hello, My Name Is Doris, Steppin: The Movie, and Divine Intervention.