Mitzi Gaynor Donahue (born May 2, 1962, Yorba Linda, California) is an American actress, also credited and more popularly known as Mitzi Kapture.

Kapture began her career starring in films such as Lethal Pursuit (1988), Angel III: The Final Chapter (1988), Liberty & Bash (1989) and The Vagrant (1992), before becoming an international television star. She gained international exposure with her first major television series regular role as Sergeant Rita Lee Lance in the television series Silk Stalkings. Silk Stalkings premiered on CBS and USA but later moved solely to USA Network. "Silk" aired for 8 seasons and became USA network's highest rated original drama series. Her role as Rita, the other half of the two "Sams" for almost 5 years, cemented her respectability as an actress. Paired with Rob Estes who played Sergeant Chris Lorenzo, Kapture gained global recognition along with her co-star since the show was broadcast in many countries. Sergeant Lance eventually became Lieutenant Lance by the time Kapture left the series in 1995 to have her first daughter. During her time with the series, Kapture also sat in the director's chair.

After a 4-month hiatus from the screen following her exit from Silk Stalkings, Kapture returned in 1996 to star in two MOW's for USA Network. She played lead roles in USA Pictures Originals telemovies, Perfect Crime (based on a true story, also called Hide and Seek: The Joanne Jensen Story), which also starred Jasmine Guy and His Bodyguard with Robert Guillaume. She has starred in film projects, theatre productions and many television guest appearances. She returned to series television in a lead role on Baywatch as Alexis Ryker, helping to boost the show's ratings from 2.8 to 4.2. Kapture was brought on the show as a verbal sparring partner for David Hasselhoff.

From 2002 through 2004 she played the seductive Anita Hodges on The Young and the Restless, credited as Mitzi Kapture Donahue. She also starred in the made-for-TV movie Night of Terror, which premiered March 26, 2007 on Lifetime Network. In her latest film, she played the role of an therapist specializing in autism in the critically acclaimed independent feature God's Ears, released in 2008. In 2010, she starred in an episode of the CBS sitcom Rules of Engagement.