KJ Apa

Jimmy Stewart

Jason Alexander

Louis B. Mayer

Max Casella

Frank Capra

Sarah Drew

Hedda Hopper

Julian Works

Second Lieutenant Martinez

Jen Lilley

Gloria Stewart

Christopher McDonald

Lionel Barrymore

Kara Killmer

Lady Julia

Neal McDonough

Alexander Stewart

Rob Riggle

U.S. Army Colonel Terrill

Jemma Donovan

Ginger Rogers

Aidan Thornton

Michael

Seán Condon

Porter

Ian Dillon

Oscar Party Waiter (uncredited)

Conor Thornton

Ronald

Louis Furney

Captain Smith

Karolyn Grimes

Liam Bixby

Tex

Marc Malkin

Glenn Miller

Jean Law

Bessie Stewart