Debbie Reynolds as Tammy Tyree

Leslie Nielsen as Peter Brent

Walter Brennan as John Dinwitty

Mala Powers as Barbara Bissle

Sidney Blackmer as Professor Brent

Mildred Natwick as Aunt Renie

Fay Wray as Mrs. Brent

Philip Ober as Alfred Bissle

Craig Hill as Ernie

Louise Beavers as Osia

April Kent as Tina

Ralph Brooks as Party Guest (uncredited)

Lillian Culver as Woman at Exhibition (uncredited)

Lucille Curtis as Farmer's Wife (uncredited)

Jack Edwards as Mike (uncredited)

Robert Filmer as Deputy (uncredited)

Robert F. Hoy as Boy (uncredited)

Larry Hudson as Revenue Man (uncredited)

Mike Lally as Photographer at Exhibition (uncredited)

Carl M. Leviness as Party Guest (uncredited)

Jack Macy as Farmer (uncredited)

Forbes Murray as Party Guest (uncredited)

Camille Williams as Girl (uncredited)