Actor in a can - Hollywood dons armor

Dick Powell as Lysander in A Midsummer Night's Dream, 1935.

Ross Alexander as Demetrius in A Midsummer Night's Dream, 1935.

Powell and Alexander with Olivia de Havilland and Jean Muir in A Midsummer Night's Dream, 1935.

Desi Arnaz in the "Hollywood at Last" episode of I Love Lucy, 1954/55. With William Holden and Dayton Lummis.

Danny Kaye on the set of The Court Jester, 1955.

Orson Welles in Chimes at Midnight, 1965.

Richard Burton in The Robe, 1953.

Harold Lloyd in Ask Father, 1919. With Wallace Howe.

With Bebe Daniels.

Errol Flynn in The Private Lives of Elizabeth and Essex, 1939.

With Robert Warwick and Ralph Forbes.

Tyrone Power in Captain from Castile, 1947.

Gary Cooper as the White Night in Alice in Wonderland, 1933. With Charlotte Henry as Alice.

Cary Grant in The Bachelor and the Bobby-Soxer, 1947.

With Myrna Loy and Shirley Temple.

With Shirley Temple.

Orson Welles, again. On the set of Othello, 1951. With Suzanne Cloutier.

Laurence Olivier in Henry V, 1944.  (Alright, no, this wasn't made in Hollywood....)

James Cagney as Bottom in A Midsummer Night's Dream, 1935.

With Joe E. Brown as Flute/Thisbe.

With Hugh Herbert as Snout.

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But, then, who wore it best...? 

Ingrid Bergman in Joan of Arc, 1948.

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Or maybe...?