I Love Melvin

Donald O'Connor

Melvin Hoover

Debbie Reynolds

Judy LeRoy

Una Merkel

Mom Schneider

Richard Anderson

Harry Flack

Allyn Joslyn

Pop Schneider

Les Tremayne

Mr. Henneman

Noreen Corcoran

Clarabelle

Jim Backus

Mergo

Barbara Ruick

Studio Guide

Robert Taylor

Robert Taylor

Nesdon Booth

Police Captain (uncredited)

Steve Forrest

Photographer on Crane (uncredited)