Frank Langella

Harry Crystal

Glynnis O'Connor

Ramona

Tom Hulce

Artie Shoemaker

Jerry Stiller

Mr. Shoemaker

Herbert Berghof

Dr. Julius Fuldauer

Kevin McCarthy

Mickey Bellinger

Joseph Maher

Fibby Geyer

George Morfogen

Sherman Sprat

Marshall Colt

Cooky

Anthony Mannino

D'Angeli

Rose Arrick

Mrs. Shoemaker

William Robertson

Mr. Henry

Randy Stumpf

Loomis

Mark Keyloun

Hlavacek

Mary Cadorette

Dancer (uncredited)