Vic Morrow as Hank Muldoon

Cliff DeYoung as Stefan Grubowski

Michael Constantine as Jess Wingate

Walter McGinn as Paul Stewart

Eileen Brennan as Ann Muldoon

Meredith Baxter as Linda Davis

Tom Bosley as Norman Smith

Will Geer as Reverend Davis

Paul Shenar as Orson Welles

John Ritter as Walter Wingate

Granville Van Dusen as Carl Phillips

Burton Gilliam as Tex

Joshua Bryant as Howard Koch

Liam Dunn as Charlie

Shelley Morrison as Toni

Walker Edmiston as Mercury Theatre Player

Marcus J. Grapes as Mercury Theatre Player

Casey Kasem as Mercury Theatre Player

Ron Rifkin as Mercury Theatre Player

Byron Webster as Harrison

Clarke Gordon as Matlock

Linda Dano as Secretary

Tracy Brooks Swope as Kelly

Hanna Landy as Maid

Robert Lussier as Arnie

Ed Bakey as Vanderhoff

Bob Harks as News Vendor (uncredited)

Michelle Stacy as Hank Muldoon's Daughter (uncredited)