Paul Douglas as Guffy McGovern

Janet Leigh as Jennifer Paige

Keenan Wynn as Fred Bayles

Donna Corcoran as Bridget White

Lewis Stone as Arnold P. Hapgood

Spring Byington as Sister Edwitha

Bruce Bennett as Saul Hellman

Marvin Kaplan as Timothy Durney

Ellen Corby as Sister Veronica

Jeff Richards as Dave Rothberg

John Gallaudet as Reynolds

King Donovan as McGee

Don Haggerty as Rube Ronson

Paul Salata as Tony Minelli

Fred Graham as Chunk

John McKee as Bill Baxter

Patrick J. Molyneaux as Patrick J. Finley

Barbara Billingsley as Hat Check Girl (uncredited)

Bing Crosby as Bing Crosby (uncredited)

Joe DiMaggio as Joe DiMaggio (uncredited)

Pat Flaherty as Boston Braves Manager (uncredited)

Douglas Fowley as Cab Driver (uncredited)

Peter Graves as Radio Announcer (uncredited)

Richard Hale as Dr. Blane (uncredited)

Bill Hickman as Reporter #1 (uncredited)

Tor Johnson as Wrestler on TV (uncredited)

Dick Simmons as Larry Moss (uncredited)

James Whitmore as Angel (voice) (uncredited)

Sam Harris as Steakhouse Diner (uncredited)

Harold Miller as Baseball Fan (uncredited)

Ty Cobb as Ty Cobb (uncredited)

Rudy Germane as Baseball Fan (uncredited)

Dick Gordon as Baseball Fan (uncredited)

Bill Walker as Dining Car Waiter

Harry Hayden as Doctor